chore(package): update jasmine-core to version 3.4.0

Closes #259

Author: greenkeeper[bot]

package.json

@@ -32,7 +32,7 @@
     "grunt-contrib-cssmin": "^2.0.0",
     "grunt-contrib-uglify": "^3.0.0",
     "grunt-fixpack": "^0.1.0",
-    "jasmine-core": "^2.5.2",
+    "jasmine-core": "^3.4.0",
     "karma": "^1.3.0",
     "karma-chrome-launcher": "^2.0.0",
     "karma-cli": "^1.0.1",