* Moved CategoryTreeFolder related code and resources from Ringtoets.Integration.Forms to Ringtoets.Common.Forms. Related to Issue [WTI-171]git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@896 5a3db67b-de53-47b5-99c8-a1c30a6650e2Former-commit-id: 668d43af4213849e4f122a8ee909282769fb1c18