KAZOO-2558 helper function
KAZOO-2558 move fax variables to Fax-Info
KAZOO-2558  move fax variables to Fax-Info
KAZOO-2558 remove commented code
KAZOO-2558 fax doc id/db in call variable
KAZOO-2558 send T38 option to receive fax. removes fax_request
dependency of callflow specific variables
KAZOO-2558 fax views into modb
KAZOO-2558 fax storage
KAZOO-2558 T38 option on fax request
KAZOO-2558 incoming faxes saved to modb
KAZOO-2558 missig condition in T38 incoming settings
KAZOO-2558 move fax migrate to new module
KAZOO-2558 couch copy/move doc
KAZOO-2558 export modb create
KAZOO-2558 fax storage
KAZOO-2558 fax doc migration
KAZOO-2558 correction on private_media migrate
KAZOO-2558 optionally delete empty faxes
KAZOO-2558 include only fax-info if relevant
KAZOO-2558 helper for generating year/month sequences