* Embed ExtensionKit Extensions
* Fix explicitFileType for extensionKit
* Update ChangeLog
* Fix if statement structure
* Add a new example extension to Tests/Fixtures/TestProject/
* Update Tests/Fixtures/TestProject/Project.xcodeproj
* Comment out example for extension kit extension in Tests/Fixtures/TestProject/
* Update Tests/Fixtures/TestProject/Project.xcodeproj