Update text in preparation for next release
make it more obvious that you find out when a message has been delivered.
Cancel call if back is pressed before reaching InCall, #97

- refactored call state handling to deprecate old call state
- simplified call layout UI to use one view for all call states
And another month slips past
Remove dead code
Reduce size of delivery, read and timestamp text
Checkin basic android studio configuration for editing, still build with ant though
Don't crash if there is no android contacts app
Ensure no network packets are sent on the main thread when dialling by number, #99
Don't crash if android doesn't like what we're doing on the main thread, #99
Sync serval-dna
Fix layout of html help, remove static title, assume help pages include headings