hostname naming, fix healthChecks

Due to hostname issues (same hostname in container and host system) marathon was unable to perform healthchecks.
Merge pull request #1 from bogus-py/working

hostname naming, fix healthChecks
refactor vagrant setup and ubuntu install procedure
Merge pull request #2 from bogus-py/working

refactor vagrant setup and ubuntu install procedure
DNS changes:

1. use /etc/resolv.conf "as a rescue" so we need to bind it from docker host
2. use address for consul always redirect to docker host where concul gonna be
   with this trick SRV gonna answer with proper addresses
Merge pull request #3 from sielaq/master

DNS changes: