[feature] create JAR containing the classes of app
[feature] create JAR containing the classes of app

Closes #266

tkrille/osiam-osiam,tkrille/osiam-osiam,fwilhe/osiam,fwilhe/osiam,tkrille/osiam-osiam,fwilhe/osiam,osiam/osiam,osiam/osiam,osiam/osiam