Fix loading issues of the extension in VS2012
Merge pull request #335 from dungpa/vs2012

Fix loading issues of the extension in VS2012
Bump version to 0.6.0
fixed: Rename refactoring always performs even though it's canceled
Merge pull request #338 from vasily-kirichenko/rename-dialog-hostfix

fixed: Rename refactoring always performs even though it's canceled