macui/cli/libhb: cleanup

macui: Simplifies code in Controller.m and fixes a few bugs
macui: Fixes "Windows 8 Phone" preset aspect ratio problem
macui: round up to next mod boundary when limiting to title dimensions - crop
libhb: Eliminates hb_fix_aspect and hb_set_size functions.
libhb: Makes hb_validate_size a passthru to hb_set_anamorphic_size
cli: eliminage use of hb_validate_size


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@6215 b64f7644-9d1e-0410-96f1-a4d463321fa5