Fix for #649: - Moving the preferred list of AZ into the provider section of settings.js - Adding provider to lookup of AZ from settings.js
Fix for #649:
- Moving the preferred list of AZ into the provider section of settings.js
- Adding provider to lookup of AZ from settings.js

duftler/deck,spinnaker/deck,kenzanlabs/deck,ajordens/deck,ajordens/deck,sgarlick987/deck,zanthrash/deck-old,zanthrash/deck-1,zanthrash/deck-1,zanthrash/deck-old,HaishiBai/deck,zanthrash/deck-1,spinnaker/deck,ajordens/deck,sgarlick987/deck,sgarlick987/deck,duftler/deck,icfantv/deck,ajordens/deck,icfantv/deck,duftler/deck,icfantv/deck,kenzanlabs/deck,kenzanlabs/deck,HaishiBai/deck,icfantv/deck,duftler/deck,spinnaker/deck,spinnaker/deck,HaishiBai/deck,sgarlick987/deck