used media/show partial and added to tests

added dns_id, dhcp_id, tft_ip attributes even though they are nested as children to be consistent with current api

typo on index.json.rabl for environments.

added missing s char

update api documentation

• remove #set_resource_params from Api::BaseController to leave :id param under :id for apipie validations to work
• fix custom apipie validators to return nice errors
• enable apipie validations for bugs to be caught early
• log apipie param errors with info level...

• fix user documentation
• remove password_confirmation from user api
• Add json template for users#create

Subnets API

added environment API

Show kind_id in config templates API

api v1 - domains controller

remove trailing dot from api auto generated description