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

Everything is now based off of default font pixel size

Also adding a constant for the font size in SensorComponent.