Merge branch 'feature/import-db' into develop
utils tasks updated to work with psql

The following tasks have been modified to support psql as database
engine:

    backup_db
    download_db
    import_db
    export_db
Merge branch 'feature/import_db_psql'
Artichoke config file name now considers branch

In order to allow one configuration for each branch the config file is
saved considering the given branch.
Merge remote-tracking branch 'template/feature/fabric_branch_configuration'