serre SVN

Don't call realloc on every message.
Keep separate variables for buffer length and message length for that.
Fix bug with clearing previous buffer content.
Reduce logging somewhat.

Close the client on any error, hoping it recovers better.

Move CloudMessaging.cpp into a component structure.

Cloud messaging did work (just need to provide the right credentials and matching phone id).
Lower debug level in the source.
Clean up stuff in switch.cpp, call the messaging API from state changes.

Small refinements, no fix yet.
Added configuration input for required settings.

add cert comment

Removed spurious debug stuff.
Trying to get Cloud Messaging to work over WolfSSL.

Working version, but without FCM (Firebase Cloud Messaging) because of trouble getting SSL to work.
Still includes a lot of debug code, #ifdef'ed out.

Split implementation in two pieces.

Moving old stuff to old/