diff --git a/package-lock.json b/package-lock.json
old mode 100755
new mode 100644
index 0939a3a4..12d13423
--- a/package-lock.json
+++ b/package-lock.json
@@ -945,7 +945,7 @@
                 },
                 "chalk": {
                     "version": "1.1.3",
-                    "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+                    "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
                     "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
                     "dev": true,
                     "requires": {
@@ -2386,7 +2386,7 @@
                 },
                 "fast-deep-equal": {
                     "version": "1.1.0",
-                    "resolved": "http://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
+                    "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
                     "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
                     "dev": true
                 },
@@ -2612,7 +2612,8 @@
                 "ansi-regex": {
                     "version": "2.1.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "aproba": {
                     "version": "1.2.0",
@@ -2633,12 +2634,14 @@
                 "balanced-match": {
                     "version": "1.0.0",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "brace-expansion": {
                     "version": "1.1.11",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "balanced-match": "^1.0.0",
                         "concat-map": "0.0.1"
@@ -2653,17 +2656,20 @@
                 "code-point-at": {
                     "version": "1.1.0",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "concat-map": {
                     "version": "0.0.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "console-control-strings": {
                     "version": "1.1.0",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "core-util-is": {
                     "version": "1.0.2",
@@ -2780,7 +2786,8 @@
                 "inherits": {
                     "version": "2.0.3",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "ini": {
                     "version": "1.3.5",
@@ -2792,6 +2799,7 @@
                     "version": "1.0.0",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "number-is-nan": "^1.0.0"
                     }
@@ -2806,6 +2814,7 @@
                     "version": "3.0.4",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "brace-expansion": "^1.1.7"
                     }
@@ -2813,12 +2822,14 @@
                 "minimist": {
                     "version": "0.0.8",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "minipass": {
                     "version": "2.2.4",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "safe-buffer": "^5.1.1",
                         "yallist": "^3.0.0"
@@ -2837,6 +2848,7 @@
                     "version": "0.5.1",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "minimist": "0.0.8"
                     }
@@ -2917,7 +2929,8 @@
                 "number-is-nan": {
                     "version": "1.0.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "object-assign": {
                     "version": "4.1.1",
@@ -2929,6 +2942,7 @@
                     "version": "1.4.0",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "wrappy": "1"
                     }
@@ -3014,7 +3028,8 @@
                 "safe-buffer": {
                     "version": "5.1.1",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "safer-buffer": {
                     "version": "2.1.2",
@@ -3050,6 +3065,7 @@
                     "version": "1.0.2",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "code-point-at": "^1.0.0",
                         "is-fullwidth-code-point": "^1.0.0",
@@ -3069,6 +3085,7 @@
                     "version": "3.0.1",
                     "bundled": true,
                     "dev": true,
+                    "optional": true,
                     "requires": {
                         "ansi-regex": "^2.0.0"
                     }
@@ -3112,12 +3129,14 @@
                 "wrappy": {
                     "version": "1.0.2",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 },
                 "yallist": {
                     "version": "3.0.2",
                     "bundled": true,
-                    "dev": true
+                    "dev": true,
+                    "optional": true
                 }
             }
         },
@@ -3886,7 +3905,7 @@
             "dependencies": {
                 "pify": {
                     "version": "2.3.0",
-                    "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+                    "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
                     "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
                     "dev": true
                 }
@@ -4455,7 +4474,7 @@
                 },
                 "fast-deep-equal": {
                     "version": "1.1.0",
-                    "resolved": "http://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
+                    "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
                     "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
                     "dev": true
                 },
@@ -5219,7 +5238,7 @@
                 },
                 "pify": {
                     "version": "2.3.0",
-                    "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+                    "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
                     "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
                     "dev": true
                 }
@@ -5484,7 +5503,7 @@
             "dependencies": {
                 "convert-source-map": {
                     "version": "0.3.5",
-                    "resolved": "http://registry.npmjs.org/convert-source-map/-/convert-source-map-0.3.5.tgz",
+                    "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-0.3.5.tgz",
                     "integrity": "sha1-8dgClQr33SYxof6+BZZVDIarMZA=",
                     "dev": true
                 }
@@ -5585,7 +5604,7 @@
         },
         "schema-utils": {
             "version": "0.4.5",
-            "resolved": "http://registry.npmjs.org/schema-utils/-/schema-utils-0.4.5.tgz",
+            "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-0.4.5.tgz",
             "integrity": "sha512-yYrjb9TX2k/J1Y5UNy3KYdZq10xhYcF8nMpAW6o3hy6Q8WSIEf9lJHG/ePnOBfziPM3fvQwfOwa13U/Fh8qTfA==",
             "dev": true,
             "requires": {
@@ -5725,7 +5744,7 @@
         },
         "shelljs": {
             "version": "0.6.0",
-            "resolved": "http://registry.npmjs.org/shelljs/-/shelljs-0.6.0.tgz",
+            "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.6.0.tgz",
             "integrity": "sha1-zh7YN7Sw5Vtew9q4QlGrnb3Ax+w=",
             "dev": true
         },
@@ -6080,7 +6099,7 @@
         },
         "strip-ansi": {
             "version": "3.0.1",
-            "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+            "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
             "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
             "dev": true,
             "requires": {
@@ -6110,7 +6129,7 @@
         },
         "tapable": {
             "version": "1.0.0",
-            "resolved": "http://registry.npmjs.org/tapable/-/tapable-1.0.0.tgz",
+            "resolved": "https://registry.npmjs.org/tapable/-/tapable-1.0.0.tgz",
             "integrity": "sha512-dQRhbNQkRnaqauC7WqSJ21EEksgT0fYZX2lqXzGkpo8JNig9zGZTYoMGvyI2nWmXlE2VSVXVDu7wLVGu/mQEsg==",
             "dev": true
         },
@@ -6734,9 +6753,9 @@
             "dev": true
         },
         "ws": {
-            "version": "6.1.2",
-            "resolved": "https://registry.npmjs.org/ws/-/ws-6.1.2.tgz",
-            "integrity": "sha512-rfUqzvz0WxmSXtJpPMX2EeASXabOrSMk1ruMOV3JBTBjo4ac2lDjGGsbQSyxj8Odhw5fBib8ZKEjDNvgouNKYw==",
+            "version": "6.2.2",
+            "resolved": "https://registry.npmjs.org/ws/-/ws-6.2.2.tgz",
+            "integrity": "sha512-zmhltoSR8u1cnDsD43TX59mzoMZsLKqUweyYBAIvTngR3shc0W6aOZylZmq/7hqyVxPdi+5Ud2QInblgyE72fw==",
             "dev": true,
             "requires": {
                 "async-limiter": "~1.0.0"