Add network stats to statusbar (2/2)

PS3: Fixed translatable items and czech translation

Change-Id: I14fb612bdbac46e8ae6f4155bd42fe10a0b0e8d9
Signed-off-by: Rohan Mathur <rohanmathur34@gmail.com>

Conflicts:
	res/xml/prefs_statusbar_signal.xml
	src/com/aokp/romcontrol/fragments/StatusBarSignal.java

Signed-off-by: Rohan Mathur <rohanmathur34@gmail.com>