Pass in default parameter values if a job is configured with additional params
Merge remote-tracking branch 'origin/master' into bugfix/pass_additional_params

Conflicts:
	src/main/java/com/groupon/jenkins/github/GithubWebhook.java
	src/test/java/com/groupon/jenkins/github/GithubWebhookTest.java
Merge pull request #83 from groupon/bugfix/pass_additional_params

Pass in default parameter values if a job is configured with additional params