first pass at implementing "File Based List of Parameters"  https://issues.jenkins-ci.org/browse/JENKINS-21470
Merge remote-tracking branch 'Jenkins_Group/master' into dev

Conflicts:
	src/main/java/org/jenkinsci/plugins/ParameterizedRemoteTrigger/RemoteBuildConfiguration.java (resolved)
setting a default polling value of 10 seconds
Cleaning up the Jenkins console log output. Removing all URL's that were begin printed out (they are just commented out) since this could be a security issue for public environments.
Merge pull request #2 from morficus/dev

Merging in dev branch
updating change log
updating screenshot and read me file
[maven-release-plugin] prepare release Parameterized-Remote-Trigger-2.1