* WIP
* Implement Remove attribute
* Enable tests
* Fix test
* Try a shorter test name
* Try more shortened test names
* Shorten some more
* Merge issues
* Try shortinging names more
* Fix test errors related to test asset renaming
* Add support for sdk props/targets defaults to Migration.
* fix the transform applicator
* remove transform applicator dependency on insertion order for item merges
* defaults constructor msbuild version change