Added test and IT for editing RtRelease. See issue #285.
Refactored test.
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
#444 update(...) method for MkContents
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into 444
#444 unit test for update() in MkContents
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into 444
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into 444
#444 little fixes
Merge pull request #451 from amihaiemil/444

#451: pull request #444 method update() for MkContents