src/framework/mlt_consumer.c

src/framework/mlt_consumer.c
+ Added capabilities to allow the application to handle images via the consumer-frame-show event
+ Added cabilities to allow the application to control the image format

src/framework/mlt_frame.c
+ Long standing discrepancy resolved - image format is now stored on the frame object

src/framework/mlt_tractor.c
src/framework/mlt_types.h
+ Added mlt_image_opengl which is supposed to provide an rgb image swapped around for the platform

src/framework/mlt_frame.h
+ Added a basic YUV2RGB macro

src/modules/avformat/filter_avcolour_space.c
+ Added a converter for the opengl swapped RGB image
+ Corrected support for rgb24a requests

src/modules/core/configure
src/modules/core/factory.c
+ Added an alias for color (since it seems to trouble so many people)

src/modules/core/filter_luma.c
+ Added the format property to the generated frame

src/modules/core/transition_composite.c
+ Added the format property to the generated frame

src/modules/gtk2/producer_pixbuf.c
+ Swapped some properties to hidden from the serialiser

src/modules/sdl/consumer_sdl.c
+ Support for application provided previews and colour space conversion

src/modules/sdl/consumer_sdl_preview.c
+ Partial switch to mlt_properties_pass_list
+ Application provided preview support added

src/modules/sdl/consumer_sdl_still.c
+ Application provided preview support added

git-svn-id: https://mlt.svn.sourceforge.net/svnroot/mlt/trunk/mlt@824 d19143bc-622f-0410-bfdd-b5b2a6649095