saltstack/salt — pull request #811 by UtahDave (2012-03-02 04:37:14+00:00)
Title: Fix errors regarding dns_check

Added dns_check to the default opt config for the minion.
Added SaltClientError to the imports
Updated safe_dns_check() to return the ip address if the dns is good.
Fixed an instance of safe_dns_check() to use the master config as arg.