Additional include file for common definitions
Clear out the peer list on disconnect
Message is more verbose wrt (de)press
Avoid time(0) call, appears to freeze sometimes
Additional variants on timeString method for Peers.cpp
Mention build timestamp at startup
Include seconds in build timestamp
Rebuild the build timestamp at every invocation.
Only one action should be called on button (de)press.
More debug info, but network reconnect might be ok now.
