Removed some shoulda context.
Code cleanup.
Add login to /users/:id API for current user (#13155).
Patch by Jérôme Bataille.
Merged r11432 from trunk to 2.2-stable (#13207, #13206)
Portuguese translation for 2.2-stable updated by Rui Rebelo.
Merged r11389 from trunk to 2.2-stable.
add "tmp:clear" to "ci:setup" rake task for translation.
Portuguese translation for trunk updated by Rui Rebelo (#13206)
Portuguese translation changed by Rui Rebelo (#13206)
Portuguese translation for 2.2-stable updated by Rui Rebelo (#13207, #13206)
German "label_follows" translation changed by Daniel Felix (#13203)
Traditional Chinese translation updated and changed by ChunChang Lo (#13198)
