Added Lockable Resources Plugin
Added documentation and tests for Lockable Resource Plugin support
Add support for the Rake plugin

Adds support for the Rake plugin.
added option to extend the classpath for Job DSL runs
cleanup
Merge branch '23741_rake_plugin'
cleanup
Merge branch 'lockable-resources'

Conflicts:
	docs/Home.md
Merge branch 'classpath'

Conflicts:
	docs/Home.md
Added localBranch option for Git SCM