Made ProjectTreeView a TreeView itself. Removed unused resources. Removed toolbar of ProjectExplorer which only contained a button for synching data with tree. Removed dependency to log4net. Related to Issue [WTI-190] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@1895 5a3db67b-de53-47b5-99c8-a1c30a6650e2