Timing information in ACs.
Avoid null reference exception.
AC batch creation node.
Make vasari geometry preview off by default.
Add some timer info to batch ACs.
MAGN-721 Fixes for state machine to pause and unpause correctly for visualization manager.
Wrap invalid cast and null reference exceptions in more user-friendly message.
Merge pull request #755 from l2obin/MAGN-721

Fix for MAGN-721 Geometry should not be selected while window selecting.
Merge branch 'master' of github.com:ikeough/Dynamo
Rejiggering of search tags and names for #714
Merge branch 'master' of https://github.com/ikeough/Dynamo
Allow structural framing node to take a single or a list of up values.
Updates to color range node to correctly preview range.
Add default values to color slider.
MagnetoOLD-543 Web request now has execution interval.
Cleanup unused references.
Cleanup of UDP node. Still not working.
Merge branch 'master' of github.com:ikeough/Dynamo
Merge branch 'ChocoButter' of https://github.com/ikeough/Dynamo into ChocoButter

Conflicts:
	src/DynamoCore/Models/NodeModel.cs
	src/DynamoCore/Nodes/dynCommunication.cs
	src/DynamoRevit/Nodes/ReferencePoint.cs
Fixed stack-overflow issue with "NodeModel.IsUpdated"