add compute_resource.supports_update? to current provider set

api v1 - domains controller

changed dashboard display of interval to use time_ago_in_words

remove trailing dot from api auto generated description

api v1 - added media and dashboard controllers

api v1 - config templates

config templates minor sql improvments

fix smartvar api output

refs #1556 Removed .id2name from env variable.

fixes #1820 - Authenticate API calls via REMOTE_USER

This patch allows API requests authentication via REMOTE_USER
only if authorize_login_delegation and authorize_login_delegation_api
are enabled.