Fix and reorganize wlsbuild:
* a52dec: Updated SlackBuild.
* alsa-plugins: Updated SlackBuild.
* appmenu-gtk: Removed.
* aria2: Removed.
* bogofilter: Updated SlackBuild.
* bzr: Removed.
* cabextract: Updated SlackBuild.
* celestia: Upgraded to 1.6.1.
* claws-mail: Updated SlackBuild.
* claws-mail-extra-plugins: Updated SlackBuild.
* clementine: Updated SlackBuild.
* dvdauthor: Updated SlackBuild.
* dvdstyler: Updated SlackBuild.
* faac: Updated SlackBuild.
* faad2: Updated SlackBuild.
* ffmeg: Updated SlackBuild.
* gdl: Moved to gnome.
* geany: Updated SlackBuild.
* gparted: Updated SlackBuild.
* gst-ffmpeg: Updated SlackBuild.
* gst-plugins-bad: Updated SlackBuild.
* gst-plugins-base: Removed.
* gst-plugins-good: Updated SlackBuild.
* gst-plugins-ugly: Updated SlackBuild.
* gstreamer: Removed.
* gtkhtml: Moved to gnome.
* gwget: Updated SlackBuild.
* ifuse: Updated SlackBuild.
* lame: Updated SlackBuild.
* libburn: Upgraded to 1.3.0.pl01.
* libisoburn: Upgraded to 1.3.0.
* libisofs: Upgraded to 1.3.0.
* opal: Moved to gnome.
* ptlib: Moved to gnome.
* speex: Updated SlackBuild.
* usbmuxd: Updated SlackBuild. Add usbmuxd detection script.
* wxsvg: Updated SlackBuild.
* wxWidgets: Updated SlackBuild.
* xvidcore: Updated SlackBuild.