initial stab at nagios support for lamp_haproxy
initial nagios signalling support for web teir
remove some redundancy, split up nagios config files
continued improvements to the base roles and iptables handling
Update docs
Minor updates to app deployment mechanism, updated readme
minor whitespace fixups
minor stylistic fixups
update a few docs and comments
Merge pull request #4 from tgerla/nagios

Implement Nagios for lamp_haproxy and move to 1.2 syntax (roles, etc)
fix up some comments, improve EPEL installation