view.c

 * Renamed view_autodist to view_mouse_depth
 * Accept args for mouse location and pixel distance around the hotspot used to lookup the depth.
 * removed persp(PERSP_VIEW) within this function, since it didnt set the view back.

imagepaint.c
 * normal falloff now works as Brecht suggests. Normal limit of 80 will blend between 80 and 85deg,  70deg limit blends between 70-80deg.
 * convert normal falloff to radians on initializing rather then on every comparison.
 * Ctrl+Click setting the cursor in its own function.
 * projection painting wasnt accounting for an exception for too high pressure values on first touch in windows for some tablets.
 * removed grease pencil benchmark function