* operations/blur/box-blur.c:
	* operations/blur/gaussian-blur.c: Minor formatting changes and
	function re-ordering for consistency with other updated op files.

	* operations/color/brightness-contrast.c:
	* operations/color/contrast-curve.c:
	* operations/color/invert.c:
	* operations/color/levels.c:
	* operations/color/mono-mixer.c:
	* operations/color/stretch-contrast.c:
	* operations/color/threshold.c:
	* operations/color/value-invert.c:
	* operations/color/whitebalance.c: Updated to new chanting API.

svn path=/trunk/; revision=1907