grim/guifications2

Clean up and add missing translations to installer. I wasted way to much time (again) seeing if I could automate the language installation (and failed) (again).
Translators
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Netizen Trancelis (cs)
David Kiliani (de)
Stefan Georg (de)
Peter Lawler (en_AU)
Stu Tomlinson (en_GB)
David Rubio (es)
gnacio Casal Quinteiro (gl)
Julien Enche (fr)
Ficoos Bangaly (he)
John Rapchuck (hu)
Nyitrai Istvan (hu)
Giacomo Succi (it)
Yoshinari Takaoka (ja)
Arangel Angov (mk)
Lennert Van Alboom (nl, fr)
Lars-Erik A. Labori (no)
Duarte Henriques (pt)
Gustavo Vasconcelos (pt_BR)
Dmitry Beloglazov (ru)
Jozef Riha (sk)
Filip Miletic (sr, sr@Latn)
Sergej Kotliar (sv)
Peter Hjalmarsson (sv_SE)
Mykola Lynnyk (uk)
Zhengang LI (zh_CN)
Ambrose Li (zh_TW)