Fixed invalid type cast.
Check for RepoChangedNotifier.IsLocked before check if IsRunningGitProcess
Plugins moved to separate subfolder even in Debug build
Fix project path on Mono solution
Fix autocompilesubmodules project for solution on VS 2010
Merge pull request #1726 from fraga/fixAutoCompileSubModulesMono

Fix auto compile sub modules mono and VS 2010
Merge branch 'master' into LibGit2Sharp

Conflicts:
	GitExtensions.VS2012.sln
	GitExtensions/GitExtensions.csproj
	GitExtensionsMono.sln
Post-build step fixed for GitExtensions project. Closes #1728