Adds a builder-like template system for rendering xml and json API responses.
Add responders to UsersController.
Merged r4449 from trunk.
Escapes attachment ids in TracMigrate (#6996).
tagged version 1.0.4
Updates for 1.0.4 release.
Backported r4441 to r4444 from trunk.
Accept key auth for ProjectsController#show (#6841).
Accept key auth for ProjectsController#destroy (#6841).