add puck info to config
fix pin numbers in puck
keep list of pucks in puck
scanner_data is now a field in the scanner module
add some methods in db to get objects from db
add puck_address as field in LiquorInventory class
setup main to init all code, run update loop, shutdown
add beginnings of command interpreter
Merge branch 'master' of https://github.com/cfangmeier/Project_Scorpion

Conflicts:
	src/scorpion/main.py