This release fixes a long standing issue with doze mode (since Android 5) - where battery optimization means the Nightscout app was disabled from using wifi after device went to sleep.
Users must now accept permission to disable battery optimizations for this app, and it will then work > 2 hours uninterrupted.
Modified 2015-05-06 - original build was incorrectly signed so unable to install. Disabled instant-run as this prevented successful subsequent installs :(