gnome-control-center 2.15.90

misc:
- add an encoding key to some .directory.in (Vincent Fretin) (#338593)
- don't use the Application category for the .desktops, use
  HardwareSettings for some (Vincent Fretin) (#344321)
- made gconf-property-editor.c use GtkColorButton instead of GnomeColorPicker
  (Kevin Bauder) (#171680)

mouse:
- fix the non-xcursor case for solaris (Sven Herzberg, Glynn Foster) (#319125)
- use ngettext() correctly (Sven Herzberg)

theme-switcher:
- fixed messages wording (Thomas Wood) (#167045)
- removed duplicate check for the tar utility (Thomas Wood)

updated translations:
- ca (Josep Puigdemont i Casamajó)
- cs (Jakub Friedl)
- de (endrik Richter)
- dz (Guntupalli Karunakar)
- el (Kostas Papadimas)
- es (Francisco Javier F. Serrador)
- fi (Ilkka Tuohela) 
- fr (Samuel Mutel)
- gu (Ankit Patel)
- id (Ahmad Riza H Nst)
- ja (Satoru SATOH)
- ko (Changwoo Ryu)
- sv (Daniel Nylander)
- th (Theppitak Karoonboonyanan)

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