language update  refs #3430
Merge pull request #264 from piwik/translationupdates

[automatic translation update] Updated 1964 strings in 37 languages (ar, be, bg, bs, ca, cs, da, de, el, en, es, et, fa, fi, fr, he, hi, hu, id, it, ja, ka, ko, lt, lv, nb, nl, pl, pt, ru, sq, sr, sv, th, uk, vi, ro)