first commit to frontend-iter2; added opCode to orderToJSON()
cleaned up code
added bunch of stuff
created homeactivity and started kitchen activity
added opcodes
started json processing for kitchenhelper
added opcodes, orderID to orderItems
changes so submit_order still works
checks if submit_order is successful and gives toast notification
implemented swiping in order review
update
merge fix with frontend-iter2-temp
working on global
Merge branch 'frontend-iter2' of https://github.com/dylanling/airserve into frontend-iter2

Conflicts:
	AirServe/bin/AirServe.apk
	AirServe/bin/classes.dex
fixed order submission
fix
bug change menu activity result
table selection done
merging
moved opcodes and errcodes to airserveglobal