Remove noisy non-error lines from logs
Merge pull request #214 from thockin/logging

Remove noisy non-error lines from logs
Clarify config file code to be clear that it handles directories. ...

… Add a check for IsRegular() before reading a config path.  Add a comment
about exec.Command("hostname", "-f").
Merge pull request #215 from thockin/cleanups

Clarify config file code to be clear that it handles directories, too.  ...
Minor: Log cleanups

Clean up log messages to be more obvious. Fix a typo (exit -> exist).
Merge pull request #216 from thockin/logging

Minor: log cleanups
Added a proxy server to cloudcfg
Update the proxy server.