remove xivo db
remove xivo db
Merge branch 'refactor_db' of github.com:xivo-pbx/xivo-dao into refactor_db

* 'refactor_db' of github.com:xivo-pbx/xivo-dao:
  remove xivo db
fix models
remove xivo db uri
remove reference to XIVO_DB_URI
fix alchemy models
fix bad configuration for primarykey in model
update model to reflect database
update model to reflect database
update model to reflect database
update model to reflect database
more model update
update model to reflect database
fix description not null
more model update
more model update
add enum module
more model update
update model to reflect database