FLW-05 RabbitMQ working with Centos 6.4.

Added erlang >= R12B-3 for RabbitMQ to work on CentOS 6.4
Added port-forwarding for RabbitMQ management module to work with http://localhost:15672
Removed failing MySQL dependency
Cleanup commented files in Vagrantfile
FLW-05 RabbitMQ working with Centos 6.4

Updated Iptables check to work correctly with hashing mechanism
FLW-05 RabbitMQ working with Centos 6.4
Updated user check, added link
disabled default user
Merge pull request #15 from RedAntNL/FLW-05

FLW-05 RabbitMQ working with Centos 6.4.