.bak i .gitignore
Amend queues to provide pointers to elements (no copying)
Rewrite of radio module:
 - Shorter
 - No timing/scheduling
 - BLE-like with empty packets as acks.
 - New packet module.
rewrite rx main.c for new radio module
rewrite tx main.c for new radio module
Remove packet_timer.c and add packet.c to keil project files for tx app
Remove packet_timer.c and add packet.c to keil project files for rx app