Blender Git Loki

Remove debug code and clean up sources to match common style used

Also made BKE_tracking_get_search_imbuf use space conversion utility functions,
so now it's not so annoying that search area calculation is happening differently
in different paces.

Also allow even sizes for search area.

Another small fix is about flipping search area dumping by libmv-capi.
It used to be flipped since in blender Y axis is up-aimed.