Projects API tests rewriting.
Converts ProjectsController to use the new API template system.
Adds a reusable method to render API response on validation failure.
Dry Users API responders.
Adds xml/json REST API for Users (#6260).
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