Updated: shlibs, gtkglext (removed deprecated things)

New Packages: celestia-glut, celestia-gtk (open universe simulation)
Merge pull request #367 from grauehaare/master

Updated: shlibs, gtkglext (removed deprecated things)
celestia-g{lut,tk}: provides/replaces celestia.
Merge pull request #368 from onekk/master

New Package: lyx: Lyx the document processor & Latex frontend
lyx: fix runtime dependencies; improve short_desc.
lyx: typo fix.
totem: update to 3.12.1.
gstreamer1: update to 1.2.4.
gst-plugins-base1: update to 1.2.4.
gst-plugins-good1: update to 1.2.4.
gst-plugins-bad1: update to 1.2.4.
gst-plugins-ugly1: update to 1.2.4.
gst-libav: update to 1.2.4.
totem: needs gstreamer>=1.2.4.
gst-plugins-ugly1: cross build support.
exempi: cross build support.
libgsm: cross build support.
gst-plugins-bad1: cross build support.
gucharmap: cross build support.
bluefish: update to 2.2.6.