Few comments updated.

This is a last sets of cahanges for Samples.
fixed custom node arg mod not triggering update
Merge branch 'ChocoButter-2Become1' of github.com:DynamoDS/Dynamo into ChocoButter-2Become1
cleanup in AstBuilder
fixed id comparison
Merge pull request #1426 from riteshchandawar/CBRelease

Few comments updated.
potential fixes for assembly resolve issue
Merge branch 'ChocoButter-2Become1' of github.com:DynamoDS/Dynamo into ChocoButter-2Become1
Remove DS from Revit ribbon description.
Merge branch 'ChocoButter-2Become1' into FlatTire