Remove unused code
Keep serval daemon running after network goes down

Lots of work has been completed in serval-dna to reduce the CPU load of running the background daemon when there are no network peers or no network interfaces are enabled.
Replace MeshMS API with new HTTP interface, starting servald on demand
Sync configuration whenever the sdcard is (un)mounted
Update release notes and google play text
Use HTTP API for sending and reading MeshMS, ensure I/O is only done on background threads
Clarify the difference in Messaging between versions
Prevent crash if the system api returns a null string
Remove dead code
Clarify remaining Known Issues, document storage eviction feature
Offer to install updates based on compile time bundle id
Ensure rhizome store path is initialised on install
Prevent infinite loop trying to create sockets
Refresh file list when new bundles arrive
Return the content type of a file, don't delete temporary files immediately
Update release notes assuming we'll be done in July
Allow alpha builds of release candidates
Add project file for Android Studio
Show first 10 messages in a conversation quickly
Add new binaries for running proxy services