Do not copy nunit dll's into installer
Enhance context menu for custom nodes
Fixed issue where Custom Node Help window would come up multiple times
Help window should be owned by Dynamo window
Fix bug where Category for custom nods in Help menu was incorrect
Fix for #1020
Slight UI tweak
Fix for #1010
Merge branch 'master' into ChocoButter

Conflicts:
	src/DynamoCore/Nodes/dynFunction.cs
	src/DynamoCore/UI/Views/dynNodeView.xaml.cs