1. optimized code, when "fill", "crop" and "wm" formats could be used simultaneously.
2. added code, that uses target size (width/height), when appropriate maximal possible size (width/height) is not specified in format string.
3.
Bug #0000131: Ability to fill margins left after image resize with given color.
4.
Bug #0000028: Add crop ability to ImageHelper class.
INP-20INP-111