Mutation tests refactoring
Merge branch 'master' of https://github.com/DynamoDS/Dynamo

Conflicts:
	src/DynamoCore/TestInfrastructure/MutatorDriver.cs
Attribute class added
Merged few files from "Concurrent" branch for review
Included "SetTraceDataAsyncTask.cs" project in "DynamoCore.csproj"
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into NewAsyncTasks
change start page's samples list box to treeView. Added show samples in folder
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into treeView
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into treeView
Change some code format, function name
added VMDataBridge to 2013 solution
Set some defaults.
Revert "Set some defaults."

This reverts commit 24e3ec40a9ffddc5c79fc6cbe5a32e28a00a9c1a.
Remove old RevitWarningSwallower.
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into NewAsyncTasks
Added documentation for CompileCustomNodeAsyncTask class
Added documentation to "DelegateBasedAsyncTask" class
Fix failures processor hooks.

By moving this call to setup the transaction manager, we get the
transaction manager's failure events to be properly handled by the
failure delegate.
Merge remote-tracking branch 'origin/master' into RehookFailureProcessor
Migrate lacing in MigrateToDSFunction methods.