Added "LegacyAssembly" property to "DSCoreNodesUI.DummyNode"
Introduced "DummyNode.Nature" to differentiate Obsolete and Unresolved nodes
Renamed "CreateDummyNodeForFunction" to "CreateUnresolvedFunctionNode"
change to Dynamo07
Introduced "MigrationManager.CreateMissingNode" method, added test case
revert
revert
Redirected relevant callers to call "CreateMissingNode" instead
revert
Improved DummyNode to tell a Deprecated node from an Unresolved one
"Bad nodes" are now turned into "Dummy nodes" during load time
Updated "MissingNode.png" with one that is designed in-house
remove the migration for string 0.6 to 0.7
Updated "Image.Stretch" to "Stretch.None" to avoid stretching
AssertValue from MirrorData in TestFramework

Fixes http://adsk-oss.myjetbrains.com/youtrack/issue/MAGN-2567
Removed "DynamoLoader.LoadSamplesMenu" because it's not used
Opening sample file from menu now asks user to save file and clear undo stack
Added new test case "CleanWorkbenchClearsUndoStack" for the fix
Merge pull request #1414 from riteshchandawar/CBRelease

Updated path which was broken because of changes in Installed folder name
Merge pull request #1415 from Zhengzi/ChocoButter-2Become1

change to Dynamo07