Update URLs in pom
Rename Jenkinsfile

Deleted Jenkinsfile due to not working pipeline :-( We have to investigate, how we can setup a working build process for more than one branch. should work, but not today...

jenkinsfile added, builds (or will build) develop and master branch, all versions including "SNAPSHOT" will be deployed to snapshot aptly and nexus repositories, all versions without "SNAPSHOT" will be deployed to release aptly and nexus repositories (as soon I have created the appropriate jenkins pipeline. testing now...