Fix curve curve intersection test.
Fix for #236 divided surface single argument UV
Add stub node libraries for DS. Update domain node.
Add testing project for new nodes.
Show badge and type of custom node in search
Got rid of back button and regions for now
Merge branch 'master' into UI_refactor

Conflicts:
	src/DynamoRevit/Nodes/dynMeasurement.cs
Merge branch 'master' of github.com:ikeough/Dynamo
Dynamo shouldn't crap out when definitions folder isn't present
Merge branch 'master' of https://github.com/ikeough/Dynamo
Length node commit flags dirty.
Removed installer support for Vasari Beta 2
Make python imports explicit
Don't allow duplicate PM windows
Slight tweaks to installed packages view
Slice list node
Is XYZ Zero Length & XYZ Length
To String node
Fix for Issue #375.
Merge branch 'master' of github.com:ikeough/Dynamo