revert
Remove two obsoleted test cases
Replace Browsable with SupressImportIntoVM
Enhanced "DetermineFunctionInputCount" method to handle "DSVarArgFunction"
Implemented better missing function handling in loading DSVarArgFunction
Merge branch 'ChocoButter-2Become1' of https://github.com/DynamoDS/Dynamo into CrossFade
disable the lace longest test with large number
Merge branch 'ChocoButter-2Become1' of https://github.com/DynamoDS/Dynamo into CBTest

Conflicts:
	src/Libraries/CoreNodes/List.cs
Merge pull request #1265 from ke-yu/error_handling

Displaying runtime warnings on the node
Merge pull request #1272 from Randy-Ma/temp

Remove two obsoleted test cases
Handle delta redefinition of LHS of an expression
Removed Boolean value from sorting test
Updated migration and added test case

- Updated migration of List Maximum and List Minimum: added conditional
checking whether the nodes had key functions and migrate them
accordingly
- Added a test case for the above migration
Merge pull request #1274 from Benglin/VarArgDummyNode

Better missing function handling in loading DSVarArgFunction
Add migrations project.
Made text boxes on slider nodes (Double, Integer, Number) to be of fixed width
Change migration nodes namespace back to Dynamo.Nodes.
Add ImageFileReader migration node to migrations.
Merge pull request #1273 from Randy-Ma/ChocoButter-2Become1

Replace Browsable with SupressImportIntoVM
Hack condition to load node types that aren't NodeModel.