Merge branch 'dev/p/fp2/fp_apps_bringup' into int/p/fp2

* dev/p/fp2/fp_apps_bringup:
  Display information about the installed battery module
  Expose the modules version in the about screen
  Display the assembly number
  Add processor info in device info screen
  Add Maintenance tile to Settings dashboard
  Make the System Update entry in Settings launch Fairphone Updater

Issue: FP2P-104
Change-Id: I346254ac7c4d2f005c381ced5b4dc19ed1d0027f