eina: add double_from/to and helper defines in f16p16
efl: add Jorge change to ChangeLog and NEWS.
eina: add a substraction in rectangles and more helpers

Also add functions to cut a rectangle in the different
lengths/coordinates.
Add helper macros to printf a rectangle
eina: add functions to alloc strings from a printf fmt
eina: fix @since to be a proper revision number.
eet: added EET_DATA_DESCRIPTOR_ADD_SUB_NESTED().
evas render bug--

objects that were visible and marked as "render del" rects during render are now detected when they magically change visibility during the same render loop, fixing a very hard to reproduce E19 corner case related to fullscreen client rendering with nocomp disabled

<raster> for now all i can say is "put the patch in and lets see if things break"
Add structure member to mark if window has an actual buffer

Signed-off-by: Chris Michael <cp.michael@samsung.com>
Do not call actual wl_surface_commit unless we have a buffer attached.

NB: Fixes zmike multi-client problem

Signed-off-by: Chris Michael <cp.michael@samsung.com>