gstreamer1.0: upgrade to 1.2.2

This commit is the result of merging 13 commits in master:
from 75054238577e65a16cdbdbc83d10928ad67393fe to
856bd59e57c2446a4ac6a6dd4189e94c3c3e8614

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
Added orc 0.4.18

0.4.18 is the minimum Orc version required by GStreamer 1.2.x
dylan's version is 0.4.16

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>
disabled packages with no recipes in dylan

Signed-off-by: Carlos Rafael Giani <dv@pseudoterminal.org>