Fixed VS2010 compiler errors
format
Create Unit Testing Project
Ignore Makefile.Debug & Makefile.Release
Ignore .pro.user
minor cleanup
Merge branch 'master' of https://github.com/pencil2d/pencil
Merge branch 'master' of https://github.com/pencil2d/pencil
Merge branch 'master' of https://github.com/pencil2d/pencil
Merge branch 'master' into feature/unit-test

Conflicts:
	pencil.pro
Make pencil_test.pro compilable
Merge pull request #204 from chchwy/feature/unit-test

Feature/unit test