Preserve Qunit autostart configuration

vendor/blanket-require.js

@@ -42,6 +42,10 @@ var blanketLoader = function(moduleName) {
 // Defer the start of the test run until a call to QUnit.start() this
 // allows the modules to be loaded/instrumented prior to the test run
 if (typeof(QUnit) === 'object') {
+    var autostart = QUnit.config.autostart;
+    window._$blanket_qunit = {
+      autostart: autostart
+    };
     QUnit.config.autostart = false;
 }
 

vendor/start.js

@@ -22,11 +22,7 @@ function cliFinish() {
 blanket.onTestsDone = cliFinish;
 
 if (typeof(QUnit) === 'object') {
-    // I'm not sure which ember-cli release introduced this behavior,
-    // but QUnit.start() is called by the ember-cli framework as of
-    // [email protected] and causes a conflict if QUnit.start() is
-    // called again here
-    // QUnit.start();
+  QUnit.config.autostart = window._$blanket_qunit.autostart;
 }
 else if (typeof(mocha) === 'object') {