reduced log level for some messages
limited Extra Columns Plugin support
Update docs to reflect working monkey-patch method

Monkey-patching changed post https://github.com/jenkinsci/job-dsl-plugin/commit/3bf55f83e1087f2f2ca945d353e869884178cf66
and you need to `use(common) { job { ... } }` now.
JENKINS-22785: added parameter stable for StatusBuildSelector
JENKINS-22785: documentation
Jenkins-22785: added test for new parameter
Merge pull request #186 from hirti/jenkins-22785_copyArtifacts_stable_StatusBuildSelector

Jenkins-22785: new parameter "stable" for method latestSuccessful in CopyArtifact step
fixed problem with buildDescription
Fixes [JENKINS-22846]: DSL for StashNotifier plugin
[JENKINS-22860] DSL support for log file size checker plugin
added an entry to the release notes
Merge pull request #187 from jenkinsci/fix-build-description

Fixed buildDescription publisher
[JENKINS-22862] DSL for Maven Deployment linker plugin
- fixed intent and added default values for booleans
[JENKINS-22862] DSL for Maven Deployment linker plugin
- Update release notes
Merge pull request #185 from nowells/extending-dsl-docs

Update docs to reflect working monkey-patch method
[JENKINS-22862] DSL for Maven Deployment linker plugin
- Added unit tests
Merge branch 'extracolumns'

Conflicts:
	docs/Home.md
Merge pull request #181 from CoreMedia/logging

Logging
included a GroovyDoc XML example, added documentation example
added a Vagrantfile for testing other versions of Jenkins

run `vagrant up`, then open http://localhost:8081/