Fix memory leak in ManageApplication

ApplicationsAdapter new a Session member and make it has a reference to
it self. If we don't release it explicitly, the cross reference will
cause memory leak.

Change-Id: Iecce35ae1d56d98cee6347e84d3a3ff57f3b15a5
[2/2] Clear All Apps button added in Recent Panel

Thanks to tectas
Mine rearranged, modified and adapted.

Change-Id: I6b9ad73049af2b252ef4da8cfd3922d9d0eef55b

Conflicts:
	res/values/slim_arrays.xml
	res/values/slim_strings.xml
[2/2] Add network stats to statusbar

Change-Id: I81b59fb7e19dc14b97c53d69291e54a479137bc5
Signed-off-by: kecinzer <kecinzer@gmail.com>

Conflicts:
	res/layout/fragment_statusbar_settings.xml
	res/values/arrays_settings.xml
	res/values/strings.xml
Changed some setting titles to lower case

Change-Id: Icbe4dd2af62eed83b424355b7bdababb42a12651
[2/2] Settings: Configurable overflow menu button

Forward port from SlimBean. It was part of the hardware key custom rebinding.

Change-Id: I2af0c7e7cde1796746331e5a2486bf8ec97f3bb9