CComponents: add setColBodyGradient() to set gradient properties

This provides possibility to set relevant gradiant properties in cc sub classes


Origin commit data
------------------
Commit: f9147d185a
Author: Thilo Graf <dbt@novatux.de>
Date: 2014-09-20 (Sat, 20 Sep 2014)

src/driver/framebuffer.h

@@ -148,7 +148,7 @@ class CFrameBuffer
 		bool calcCorners(int *ofs, int *ofl, int *ofr, const int& dy, const int& line, const int& radius, const int& type);
 
 	public:
-
+		///gradient direction
 		enum {
 			gradientHorizontal,
 			gradientVertical