espalarm Code

Pass remote status change commands correctly.

Remove dead code.
Add code to clean up a peer after disconnection.
Some renaming for consistency.

Cosmetic : don't print trailing newline

Fix several small issues with TCP connectivity

Verbosity changes.
Remove dead code.

Oled : delay processing some calls to ensure they're handled from the main thread.
Peers : connection handling bugfixes, verbosity tweaks.

TCP communication bugfixes

details

Some more complexity reduced, a couple of fixes.

Tune multicast and TCP connection handling.
Simplify some of the loop syntax.
Protect against multithread use of peerlist.