Dynamic Paint:

* More code changes pointed by Brecht in codereview.
* Some user interface improvements.
* Updating brush settings now also updates canvas preview.

source/blender/modifiers/intern/MOD_dynamicpaint.c

@@ -14,6 +14,7 @@
 
 #include <stddef.h>
 
+#include "DNA_dynamicpaint_types.h"
 #include "DNA_meshdata_types.h"
 #include "DNA_object_types.h"
 #include "DNA_scene_types.h"