route: repository: move :repository_id routes before non :repository_id routes
On Rails3 new route format, tests pass except following routes.
* 'projects/:id/repository' :action => 'show' * 'projects/:id/repository/:repository_id' :action => 'show'
Authored by: tmaruyama 2012-01-29
Parent: [r8717]
Child: [r8719]
