allow to merge more than one git branch
[JENKINS-24616} Support for AnalysisCollector Publisher]
Merge pull request #279 from CoreMedia/merge-options

Multiple mergeOptions
cleanup
Merge branch 'JENKINS-24616'

Conflicts:
	docs/Home.md
use Jenkins 1.565.2 in Vagrantfile
Add support for the S3 plugin
added support for Delivery Pipeline Plugin
removed 'default' name from nested view
cleanup and added storage class and region options
Merge branch 's3'
Merge pull request #283 from CoreMedia/delivery-pipeline

Added support for Delivery Pipeline Plugin
Removed unnecessary undocumented methods in Gerrit trigger to fix JENKINS-24787
TriggerContext cleanup
Replaced short names in GerritEventContext by DSL methods
converted all tests to Spock
removed trailing whitespace
Merge pull request #284 from CoreMedia/JENKINS-24787

[JENKINS-24787] Removed unnecessary undocumented methods in Gerrit trigger
Added support for Jenkins Notification Plugin.
Added documentation.