Merge remote-tracking branch 'upstream/develop' into issue#385
Added method to get the EndDate of a term
Added first version ofcreation of first and second dunning. 
	Still very buggy.
Merge remote-tracking branch 'upstream/develop' into issue#385
Merge remote-tracking branch 'upstream/develop' into issue#385
Fixed bug where buttons were enabled without a selected row in the table
Implemented automatic creation of dunnings.
Merge pull request #439 from Junkern/issue#385

Issue#385