Update messages.po

Translated remained strings, changed some current translations.
Merge pull request #318 from ioskar/patch-1

Update messages.po
update messages.po; bug 895041
add new locales; bug 927565
Commit from Mozilla Verbatim by user m@owca.info.: 1 of 65 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user m@owca.info.: 0 of 65 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user shaohua.wen@gmail.com.: 184 of 184 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user shaohua.wen@gmail.com.: 65 of 65 strings translated (0 fuzzy).
Add timeout for payment setup (bug 876811)
Merge pull request #316 from muffinresearch/timeout-for-bango

Add timeout for payment setup (bug 876811)
L10n Extract/compile script.
Commit from Mozilla Verbatim by user michael.koehler1@gmx.de.: 73 of 73 strings translated (0 fuzzy).
django 1.5 compat (bug 850886)
switch to released version (bug 850886)