Bump rspec from 3.3.0 to 3.8.0

Gemfile.lock

@@ -1,32 +1,32 @@
 PATH
   remote: .
   specs:
-    bcrypt (3.1.11)
+    bcrypt (3.1.12.pre)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    diff-lcs (1.2.5)
+    diff-lcs (1.3)
     json (1.8.3)
     json (1.8.3-java)
     rake (10.4.2)
     rake-compiler (0.9.5)
       rake
     rdoc (3.12.2)
       json (~> 1.4)
-    rspec (3.3.0)
-      rspec-core (~> 3.3.0)
-      rspec-expectations (~> 3.3.0)
-      rspec-mocks (~> 3.3.0)
-    rspec-core (3.3.2)
-      rspec-support (~> 3.3.0)
-    rspec-expectations (3.3.1)
+    rspec (3.8.0)
+      rspec-core (~> 3.8.0)
+      rspec-expectations (~> 3.8.0)
+      rspec-mocks (~> 3.8.0)
+    rspec-core (3.8.2)
+      rspec-support (~> 3.8.0)
+    rspec-expectations (3.8.4)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.3.0)
-    rspec-mocks (3.3.2)
+      rspec-support (~> 3.8.0)
+    rspec-mocks (3.8.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.3.0)
-    rspec-support (3.3.0)
+      rspec-support (~> 3.8.0)
+    rspec-support (3.8.2)
 
 PLATFORMS
   java