Load event handlers from a new nagios_eventhandlers databag and pass them to the commands template
Add event handlers from the data bag to the commands template
Add a new value to the service definitions for event handlers
General Readme cleanup
Add event handlers section to the Nagios Readme
Merge branch 'master', remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Use nagios user/group attributes in pager duty recipe
Simplify the hostgroups ERB and have it just print out hostgroups

No need for printing "environments" or "os" since those are rolled into
the hostgroups value now.  Also along for the ride:  Sort the
hostgroups to prevent templating the file one very run and add an
additional empty line after the search based hostgroups so that the
proper formatting is maintained
Improve comments
Just use hostgroups array to track hostgroups instead of os_list, role_list, and environment_list

Simplifies life a bit and also removed a few potential bugs (you have a
service host group called linux and an OS of linux, which would break
Nagios).
Simplifying if statements for the web server public domain
Merge remote-tracking branch 'upstream/master'
another string interpolation in single quotes
Merge remote-tracking branch 'upstream/master'
Preseed a random password for the nagios3 package installs on Debian

This is a copy of a now closed pull request from Patrick Debois, but
using platform_family.  Without this server installs on ubuntu fail
Update Nagios source installs to use 3.4.3 not 3.4.1
Merge pull request #57 from tas50/COOK-1544

Cook 1544: Add support for defining service event handlers in Nagios
Merge pull request #61 from tas50/COOK-1947

Cook 1947: Use nagios user/group attributes in pager duty recipe
Merge pull request #62 from tas50/COOK-1950

Cook 1950: Simplify hostgroup template / server recipe with consolidation