Optimise return values from AMI to avoid reformatting
Simplify validate logic
Optimise treatment of ami raw message
Optimise return values from getDb_model_info and clean up method name
Optimize add device moving functions outside of loop
Define unique names for script methods between SIP and SCCP as in same page
Add device to extensions page - permits to see unassigned lines and shared lines easily
Reformat status to centred
change 'replace' in sccp class to only 'insert on duplicate key' (UPSET equivalent)
Change request in phoneGrid to left join to show all lines, even unassigned to a device
