Ignore the work directory created when running hpi:run
Changed the version of Jenkins to build aginst to 1.509.1 (Latest Stable)
Added ui-samples-plugin as an optional dependency so as to not stop the plugin working when trying to
add it to a jenkins install that doesn't have the ui-samples-plugin.
Added a jenkins.util.TimeDuration to the doBuild call as later versions of Jenkins require this
Use ajax to trigger the initial build in the pipeline using a PUSH request, as is the way Jenkins wants you to do
this now.
Added an index action to gridBuilder to stop stapler falling over when the build process tries to redirect to the
parent directory after triggering the build.
Merge branch 'master' of dvgit:devopsbrett/build-pipeline-plugin