JENKINS-16908 Close failed pull requests automatically if plugin admin configured it
[maven-release-plugin] prepare release ghprb-1.5.1
[maven-release-plugin] prepare for next development iteration
Added customizeable pass/fail comments to post in open pull requests.
Add option for specifing how to mark unstable builds in github
Merge remote-tracking branch 'mdelapenya/JENKINS-16908_close_pulls'
Changed the condition when closing pullrequest
Conflicts:
	src/main/java/org/jenkinsci/plugins/ghprb/GhprbTrigger.java
Merge remote-tracking branch 'tokyowizard/master'

Conflicts:
	src/main/java/org/jenkinsci/plugins/ghprb/GhprbTrigger.java
Fixed global configuration form for unstable status and fixed github-api version conflict
Merge pull request #45 from adamosloizou/fixes

Fixes: Global config and github-api versioning
Big refactoring
[maven-release-plugin] prepare for next development iteration