SystemUI: Re-adjust signal strength icons

Change-Id: Id6dad0800e5e15ec694b24ecb9a88ccc0d4771d8
base: code cleanup

Change-Id: Ib14ebecc2b8992f109d2023b681ae77200bd5924
Enhance power menu reboot option

* Use our old reboot icon
* Set correct dialog title & message when rebooting
* Move strings to cm_strings
* Add back reboot_download string used by samsung devices
* Remove Chinese translations, will be handled through crowdin

Change-Id: I3ba0e20dcdba0a295a071304048eebab6cfcf49d
Add an option to change the device hostname (1/2).

This adds an option to modify the device hostname used
in ip resolution. This is useful when connecting to the
android device in a dynamic dhcp environment.

Change-Id: I44e4771f4415a32fe66867d4dd90f1ad138341e1
base: code cleanup

Change-Id: I6a7a43f8d3d2247e16087ba89f05025655992da7
Merge branch 'remote' into mkl