minor code style fix. Use types when possible.
Denormalized messaging_addresses and messaging_end_points
Added support for messaging endpoints.
Minor code style update. Using String interpolation, not concat.
Switched to using OpenReceptionFramework for logger, and writeAndClose.
Minor codeing style clean-up.
Added suport for distributionslist fetch and update.
Added description to Endpoints
Merge branch 'tp'

Conflicts:
	MessageServer/lib/db/message-send.dart