Revert OS Version
Revert OS Version

Changelog:

- Revert OS version back to Ubuntu 14.04 due to issues with libzmq3 availability on 16.04
82d28a/laikaboss,wzod/laikaboss,82d28a/laikaboss,wzod/laikaboss,lmco/laikaboss,lmco/laikaboss