src/framework/mlt_frame.c
+ Corrections for resizing images and alpha (uneven widths)
src/framework/mlt_tractor.c
+ Added an output aspect ratio (being the aspect ratio of the background)
src/modules/core/filter_rescale.c
+ Force a rescale of the alpha in parallel with image
src/modules/core/filter_resize.c
+ Rounding errors corrections
src/modules/core/filter_watermark.c
+ Propogation of output aspect ratio in reverse case
src/modules/core/producer_colour.c
+ Reassign aspect ratio after get_image
src/modules/core/transition_composite.c
+ More uneven width corrections
+ Use of output aspect ratio when available
src/modules/feeds/PAL/etv.properties
+ Temporary work around to keep composites correct
git-svn-id: https://mlt.svn.sourceforge.net/svnroot/mlt/trunk/mlt@833
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