Update translations from Transifex

Many thanks to:
 - cs: Daniel Albers <daniel@lbe.rs>
 - da: furyfire <frazzer@hotmail.com>
 - el: Daniel Albers <daniel@lbe.rs>
 - en_GB: Daniel Albers <daniel@lbe.rs>
 - en_US: Daniel Albers <daniel@lbe.rs>
 - eo: Daniel Albers <daniel@lbe.rs>
 - es: Daniel Albers <daniel@lbe.rs>
 - fi: Larso <larso@gmx.com>
 - fr: Daniel Albers <daniel@lbe.rs>
 - gl: Daniel Albers <daniel@lbe.rs>
 - hu: Daniel Albers <daniel@lbe.rs>
 - it: Daniel Albers <daniel@lbe.rs>
 - ja: Daniel Albers <daniel@lbe.rs>
 - ko: Daniel Albers <daniel@lbe.rs>
 - lt: Daniel Albers <daniel@lbe.rs>
 - nb: sandsmark <sandsmark@samfundet.no>
 - nl: Daniel Albers <daniel@lbe.rs>
 - oc: Daniel Albers <daniel@lbe.rs>
 - pl: Daniel Albers <daniel@lbe.rs>
 - pt: Daniel Albers <daniel@lbe.rs>
 - pt_BR: Daniel Albers <daniel@lbe.rs>
 - ro: Daniel Albers <daniel@lbe.rs>
 - ru: Daniel Albers <daniel@lbe.rs>
 - sl: Daniel Albers <daniel@lbe.rs>
 - sq: Daniel Albers <daniel@lbe.rs>
 - sr: Daniel Albers <daniel@lbe.rs>
 - tr: Daniel Albers <daniel@lbe.rs>
 - zh_CN: Daniel Albers <daniel@lbe.rs>