Revert "added PerformanceControl from source and add PerformanceTool"

This reverts commit 2cd3e2715c74660497611a590b3ef0b511004152.
Remove prebuilt PC app, build OS version

Change-Id: I1fe86a5b325a18258bd1b9448ef6578158ddce31

Conflicts:
	prebuilt/Android.mk
Nova Launcher 2.0

Update to Nova Launcher 2.0, current version as of 14 jan 2013

Change-Id: I55a075b52e798a3a2587059dc279e1fbf0d5906b
Signed-off-by: Johan <lolbolljohan@gmail.com>