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
Remove hint processing from __Construct and place in getbuttons, only place where used
Return hint information in correct format from ami, to avoid second formatting
Optimise db calls for hints to speed loading of add/edit device.
codecs were stored as a ',' separated list while chan-sccp expects a ';' separated list
Correct all existing db values when running installer
make sure that disallow is not unset in installer (set to all)
make sure that disallow is not empty
correct help text
