Avoid a null reference exception.
Remove dead method.
1. Fix: MAGN-535 Unable to move node if mouse-click occurs close to another node
2. Refactored "dynWorkspaceView.OnMouseMove" to better handle various states
3. Implemented ElementUnderMouseCursor, DirectHitTestCallback and PortFromHitTestResult helper methods
Merge branch 'ChocoButterUI' into MAGN535

Conflicts:
	src/DynamoCore/UI/StateMachine.cs
Tab file name missing fix.
Fixed failing Excel test
Remove two compiler warnings.
Merge branch 'master' of github.com:ikeough/Dynamo
Select Level From List to avoid name clash
Show the fixture and test name when running revit tests from the command line.
Add one test file.
MAGN-550. Don't exit on type initialization exceptions.
Update empty file to Revit 2014. Add some comments about exception handling.
Add nodes without category to Uncategorized category
Fix keybinding for showing console
fixed broken element re-association test
Use Tasks for async methods in PackageManagerClient
Can clear Errors in PackageManagerSearch
NodeDeprecatedAttribute
Merge branch 'master' of https://github.com/ikeough/Dynamo