support optional environment attribute in services to filter services by environment
support optional environment attribute in unmanaged hosts data bag
Expose LWRP state attributes (`state_attrs`)
[COOK-4031] - Added attributes for nagios data bags.
Added attributes and updated nrpe.cfg and cgi.cfg templates for more tunable configurations.
Updated nagios.cfg and cgi.cfg templates for more tunable configurations.
Fixed type for unmanagedhosts data bag attribute
Updated README with new attributes
Update README for environment filters on services and unmanaged hosts
Merge remote-tracking branch 'upstream/master'

Conflicts:
	README.md
Merge pull request #217 from cstewart87/master

[COOK-4031] - Added attributes for nagios data bags.
rebase branch from master
support optional environment attribute in unmanaged hosts data bag
Update README for environment filters on services and unmanaged hosts
Merge branch 'environment-filters' of github.com:jwilf/nagios into environment-filters

Conflicts:
	templates/default/services.cfg.erb
Add missing NagiosDataBags instansiation.

Change-Id: Ic1da99bc360c506ed071c0b8c11f63e3563af2ed
Update RHEL versions supported in README
Minor cleanup to the attributes file
Merge pull request #224 from scottso/fix_pagerduty_databag

Add missing NagiosDataBags instansiation.
Merge pull request #215 from goodmanio/master

Expose LWRP state attributes (`state_attrs`)