PIE: adjust gesture sensitivity to maximum

Change-Id: I933059dfa33b3718d07aa15dd1d7e47c6bb0f813
Toggle nav bar through power menu (1/2)

- This is highly based on this commit form SlimRoms: https://github.com/SlimRoms/frameworks_base/commit/4097a175f00fa0137169c4ae4a6bc35a2799c97f
- Now we can toggle nav bar on/of in power menu. It's easier to use PIE.

Thanks again to @kufikugel

Codes ported and new codes from @cristianomatos

Change-Id: I75ea9623d3701fc01ec56a504be5e6a5fcad3cc1

Conflicts:
	core/res/res/values/cr_strings.xml
	core/res/res/values/cr_symbols.xml
	policy/src/com/android/internal/policy/impl/GlobalActions.java
[1/2] Add support for Peek app

Disable built in peek when Peek app is installed. Enable it again on app's unistall.

Change-Id: I292cfa6ba351ac65fd67d902b5e4df9be29981ac
Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
Framework: Allow All Widgets On Keyguard (1/2)

Change-Id: I5c22bd61a5f7099400b9d28589b5f094985c5183