User defined colours for pie controls (2/2)

This is the settings part of the commit.
For more information look at the framework/base commit.

Change-Id: Iaf486114db08cd6b002a3e5f25d6e4a9d915a7ae
Signed-off-by: Kristofer Ard <kristoferard@gmail.com>

Conflicts:
	res/values/cmx_strings.xml