Merge pull request #788 from isartcanyameres/release/0.25

Release/0.25
Merge branch 'tmp/unsecured-ofertie-ns' into release/0.25.1
Bump version to 0.25.1
Merge pull request #795 from isartcanyameres/release/0.25.1

Release/0.25.1
[maven-release-plugin] prepare release v0.26
Solve conflicts using release version 0.26.
[maven-release-plugin] prepare for next development iteration
Merge pull request #820 from logoff/release-0.26-cont

Prepare next development iteration 0.27-SNAPSHOT