reimplement navbar cursor keys (2/2)

Change-Id: I8c511e832d063d002f2a2ce32e98dbeb6bfdf11d
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>
Revert "[2/2] Add network stats to statusbar"

This reverts commit e39e8f33429dc61526f573cc039800f0bee1fbd3.

Change-Id: Ia07d595ec994308fc23fb7c051f1efda18c339e3
Squashed commits: network traffic meter [2/2]

https://github.com/omnirom/android_packages_apps_OmniGears/commit/2dc8674ba82e76908c73eecb2bb7ec3a5cb99a8e
https://github.com/omnirom/android_packages_apps_OmniGears/commit/cac09fffd0c83b434c8390e6a3d840c22036d98f
https://github.com/omnirom/android_packages_apps_OmniGears/commit/391eaddbf9b68d4338ea3ff3aed35848a43af71f

Also make a fragment for network traffic settings

Change-Id: I5cd5630dc5f0e0e99755ea2006cb0ccb83baa575