Refactor log_write to log_writeln
Add HCI message dispatching with device init
Add HCI event handling
Delay all I/O to BLEMini by 10ms
Remove -DBLESS_DEBUG from ino.ini build defaults
Add initial storage DB
Add device discovery and storage
Logging improvements and refactor

- Move HCI data logger to general purpose debug.h
- Add macros for info/debug logging
- Clarify some log text
Store data size from device information event
Add command timeout handling
Fix db_store data not defined as const
Update README