mjb/altos/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroidPreferencesBackend.java, branch telemega

mjb/altos/altosdroid/src/org/altusmetrum/AltosDroid/AltosDroidPreferencesBackend.java, branch telemega AltOS - the operating system for Altus Metrum products https://git.ethernal.org/mjb/altos/atom?h=telemega