now the webgme asserts if you try to put a base under an instance
now GMECONCEPTS prevents the creation of a loop
improving clicking behavior: avoiding events generated in dropdown interfere with events of main navigator
typo fix
Merge branch 'master' into addon
Merge branch 'addon' of https://github.com/webgme/webgme into snap
Tested and fixed getDescendents
Added support for extra fn's added to constraint code as needed
Added support for nested async swaps
Updated syntax (Hat -> start)
Added check for _underItems existing for unregistering items
added robustness to getAttribute
Removed _customConnectionAreas from tree creation
misc code clean up
Fixed dropping items to 'out' ptr of another
misc code cleanup
Separated tests into own dir with loading fn-ality