Use glog instead of 'log' library.
Docker-DCO-1.1-Signed-off-by: Vishnu Kannan <vishnuk@google.com> (github: vishh)
Merge pull request #161 from vishh/cleanup_logs

Use glog instead of 'log' library.
Fix capitalization in log files.
Merge pull request #162 from vmarmol/master

Fix capitalization in log files.