Added Lockable Resources Plugin
added hint for JENKINS-23762
Merge pull request #252 from CoreMedia/memory-leak

[JENKINS-23762] Added Memory-Leak Warning
Added documentation and tests for Lockable Resource Plugin support
Add support for the Rake plugin

Adds support for the Rake plugin.
better warnings for memory leaks and race conditions
added a pointer to the Jenkins Job DSL Gradle Example
updated Vagrantfile to use CentOS 7
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
added support for vSphere Cloud Plugin
serverHash is redundant, but must be specified
[JENKINS-24231] fixed workspace cleanup external delete command
Merge pull request #260 from CoreMedia/JENKINS-24231

[JENKINS-24231] fixed workspace cleanup external delete command
major overhaul of the configure block page