chore(package): update jasmine-core to version 2.9.0

Closes #4

Author: greenkeeper[bot]

package.json

@@ -42,7 +42,7 @@
     "@types/node": "~8.0.13",
     "angular-cli-ghpages": "^0.5.1",
     "codelyzer": "~3.1.2",
-    "jasmine-core": "~2.6.2",
+    "jasmine-core": "~2.9.0",
     "jasmine-spec-reporter": "~4.1.0",
     "karma": "~1.7.0",
     "karma-chrome-launcher": "~2.2.0",