Reintroduced "insert constructor snippet" feature.
CodeManipulation (Alt+Arrow code moving, Ctrl+W selection extension) now works again.
Fixed bug in moving code lines with appended comments: Code and comment were not kept together.
Fixed issues with code line swapping, when lines with multiple statements are involved.
- OverrideToString completion now works.
- Added RefactoringContext.GetTypeResolveContext() method.
Readded CodeManipulation.