remove contrib mpeg2dec
We no longer need mpeg2dec.  libav now has all the features we need
for mpeg2 decoding.


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5966 b64f7644-9d1e-0410-96f1-a4d463321fa5
LinGui: fix some deprications in gtk 3.10
Fixes live preview play pause icons in gtk 3.10.


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5967 b64f7644-9d1e-0410-96f1-a4d463321fa5
LinGui: fix deprecated GTK_STOCK_*


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5968 b64f7644-9d1e-0410-96f1-a4d463321fa5
LinGui: fix deprecated gtk_widget_modify_font


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5969 b64f7644-9d1e-0410-96f1-a4d463321fa5
LinGui: Fix deprecated GtkHScale
Fixing this deprecation makes the LinGui incompatible with versions
of gtk prior to 2.16. Too bad for you if you are using such and ancient gtk.


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5970 b64f7644-9d1e-0410-96f1-a4d463321fa5
LinGui: fix deprecated gtk_widget_get_style()


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5971 b64f7644-9d1e-0410-96f1-a4d463321fa5
LinGui: fix deprecated g_type_init()


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5972 b64f7644-9d1e-0410-96f1-a4d463321fa5
decavcodec: only allow in-decoder downmix if it matches the requested mix levels.


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5973 b64f7644-9d1e-0410-96f1-a4d463321fa5
LinGui: fix deprecation of GtkAction and GtkUIManager
Farely large change since these were the old way of creating menus :-\


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5974 b64f7644-9d1e-0410-96f1-a4d463321fa5