[maven-release-plugin] prepare release v1.3.1
[maven-release-plugin] prepare release v1.3.1

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