Talkie: Add button to notification to play the received audio
Talkie: Encrypt messages if possible
Merge pull request #92 from morgenroth/Talkie-play-button-notification

Add notification play button and private message encryption to Talkie
android-daemon: Rename dtnd process to ":dtnd"
Merge pull request #93 from morgenroth/Rename-dtnd-process-on-Android

android-daemon: Rename dtnd process to ":dtnd"