Merge pull request #4 from michalskalski/master

Explicite define innodb_log_file_size in mysql configuration.
added option to disable Swift, added Swift glance backend
Merge pull request #5 from pmisiak/master

added option to disable Swift, added Swift glance backend
cloud facts fixed
Merge pull request #7 from pmisiak/master

cloud facts fixed
Merge pull request #6 from michalskalski/master

innodb_log_file_size must be set before first mysql run
added the swift_available fact and made glance images installation process dependent on this fact when the swift glance backend is configured
Merge pull request #8 from pmisiak/master

added the swift_available fact and made glance images installation proce...
fix problems with runing rabbitmq in HA environment

Until now rabbit server bind to virtual ip address, but some
services trying to communicate with rabbit cluster using controllers ip
addresses in management network. After this change rabbit server will
listen on interfaces in mgmt network and moreover haproxy will listen on
virtual ip to forward request to rabbit cluster.