* Added support for group sharing
* Saving password in the app will no longer prompt for confirmation
* Map marker is now a circle if the user isn't moving
* SASL support added for memcached in backend config
* Support for connecting to memcached via UNIX sockets
* Old sessions no longer linger in Memcached
* Significant backend rework/cleanup
* Fixed crash upon starting a share in Android 6.0 Marshmallow