Adding .gitignore
Updating README
Package rename to com.xebialabs.xlrelease.plugins.ci.jenkins
Renaming 'JenkinsBuildJob' -> 'JenkinsBuildInvocation'
Cleaning up JenkinsBuildInvocation
Cleaning up synthetic.xml
Renaming BuildJob -> RunBuild
Cleaning up BuildJob.py
Avoiding an NPE if the optional property 'parameters' is empty