Added support for the Github pull request builder plugin
addressed comments : spec cleanup & mandatory closure
added iterable for whitelist
changed defaults
Removed precondition
Renamed fields and methods
more assertions
added support for Workspace Cleanup Plugin
Merge pull request #170 from CoreMedia/prebuildcleanup

Workspace Cleanup Plugin
added hint to focus
Fix case in ConditionalBuildstep for conditionalbuilders
Merge pull request #176 from wolfs/condbuildstep-case

Fix case in ConditionalBuildstep for conditionalbuilders
added docs from wiki
added a step to publish the docs
updated the Git protocol
Merge pull request #177 from daspilker/docs

Docs
Merge pull request #152 from kmarquardsen/ghprb

Added support for the Github pull request builder plugin
added a more complete example for the Pull Request Builder Plugin
refine pull request builder docs