Added method to attachments routes.
Fixed assert call.
Removed boards widcard route.
Removed repositories widcard route.
Removed default route.
Explicitly declare all routes and deactivate default route.
Merged r8130 from trunk.
Merged r8112 from trunk (#9748).
Merged r8113 from trunk (#9738).
Merged r7920, r7921, r7922 and r7924 from trunk (#9405).
