fixed invocation for ntpclient in order to log to /var/lib/boot2docker/log/ntpclient.log properly
shortened min_delay and interval to avoid drifts
Merge pull request #554 from rufiao/master

ntpclient with shorter update and correct logging
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  shortened min_delay and interval to avoid drifts
  fixed invocation for ntpclient in order to log to /var/lib/boot2docker/log/ntpclient.log properly
Changed uid and guid in automounted folders to user root and www-data
Update iso