code review. Modified qc::log to make it agnostic about where it is being run
Merge remote branch 'origin/master' into daniel_s3_tools
remove logging
RELEASE++
calculate s3_put timeout for 10KB/s connection. Added max number of retries. Don't wait between retries
RELEASE++
error out if attempt > max_attempt
RELEASE++
Merge branch 'master' into db_file