Also added new FirmwarePlugin::brandImage support

width/height must be specified by user name

Android done.

Change all text to have a qsTr call, this way it will
call the right translated text when needed.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>

- Sensors summary now shows you how man compasses you have
- Fix for APM accel cal. Can only use first accel offsets.

Add scroll height indicators to Flickable

Plus lots of other tweaks to ui for visuals