Scan for new repositories in the file system on application startup
Repository index and detail shows status if not Valid.  Status can currently be Valid or Missing. Missing means that the directory for the repository does not exist on the file system.
Merge branch 'syncrepos'

Conflicts:
	Bonobo.Git.Server/App_GlobalResources/Resources.Designer.cs
	Bonobo.Git.Server/App_GlobalResources/Resources.resx