Site/Redtube: Switch to MP4.
Site/Redtube: Switch to MP4.

Doesn't 404 like FLV. Fixes Google Code #323.

Obviously totally untested; I didn't author this patch. :3

karjonas/get-flash-videos,vladrich/get-flash-videos,momo-i/get-flash-videos,pcwalden/get-flash-videos,momo-i/get-flash-videos,karjonas/get-flash-videos,njtaylor/get-flash-videos,pcwalden/get-flash-videos,njtaylor/get-flash-videos,vladrich/get-flash-videos,monsieurvideo/get-flash-videos,monsieurvideo/get-flash-videos,karjonas/get-flash-videos,monsieurvideo/get-flash-videos,pcwalden/get-flash-videos,vladrich/get-flash-videos,njtaylor/get-flash-videos,momo-i/get-flash-videos