version 2.21.92:
	- drop libglade and use GtkBuilder instead.
	- putted gtk calls in critical section in threads, fixes bug #516697, courtesy of Mathias Clasen
	- make use of the gconf countdown setting and show or hide the countdown depending on that
	- added/updated translations
    - ko, courtesy of Changwoo Ryu
    - th, courtesy of Theppitak Karoonboonyanan
    - sl, courtesy of Matej Urbančič
    - bn_IN, courtesy of Runa Bhattacharjee
    - pa, courtesy of Amanpreet Singh Brar
    - nl, courtesy of Wouter Bolsterlee.
    - nb, courtesy of Kjartan Maraas
    - ar, courtesy of Djihed Afifi
    - tr, courtesy of Baris Cicek
    - ja, courtesy of Takeshi Aihana
    - ca, courtesy of Gil Forcada
    - cs, courtesy of Vitezslav Kotrla.
    - pt, courtesy of Duarte Loreto
    - oc, courtesy of Yannig Marchegay
    - mk, courtesy of Arangel Angov
    - zh_CN, courtesy of YangZhang
    - hu, courtesy of Adam Pongracz