chore(package): update jasmine-core to version 3.1.0

Closes #9

Author: greenkeeper[bot]

package.json

@@ -30,7 +30,7 @@
     "grunt-open": "^0.2.3",
     "grunt-text-replace": "^0.4.0",
     "grunt-usemin": "^3.0.0",
-    "jasmine-core": "^2.3.4",
+    "jasmine-core": "^3.1.0",
     "jshint-stylish": "^2.0.1",
     "karma": "^2.0.0",
     "karma-jasmine": "*",