Bump version to 1.3.0
Make the solution compilable on a machine with VS14 only
Add support for VS 14

All features seem to work now.
Merge branch 'release' into 'master'
Merge pull request #580 from dungpa/dev14

Add support for VS 14
Check union cases for invalid chars - relates to #567
Create a function which check type names
Check types before rename
Encapsulate displayed full name only when validation succeeded
"Full name:" label in rename dialog