chore(package): update jasmine-core to version 2.6.3

Author: greenkeeper[bot]

package.json

@@ -45,7 +45,7 @@
     "gulp-eslint": "3.0.1",
     "gulp-git": "2.4.0",
     "gulp-jasmine": "2.4.2",
-    "jasmine-core": "2.6.2",
+    "jasmine-core": "2.6.3",
     "run-sequence": "1.2.2",
     "vinyl": "2.0.2"
   }