Add init.d file for nagios-api

Also updates nagios-api for proper cleanup.
Add --pid-file option

This also changes the default to: /var/run/nagios-api/nagios-api.pid
add info on compability-issues

also see my comment in #12
add info on compability-issues

also see my comment in #12
Merge pull request #24 from Finkregh/patch-1

add info on compability-issues
Merge pull request #25 from Finkregh/patch-2

add info on compability-issues
Added support for returning comment and downtime data in http_host() so that it's available in GET requests for hosts.
Found and corrected an issue where nagios-api attempts to write to its PID file twice and decides to quit.
Merge pull request #26 from RyanFrantz/master

Return comment and downtime data in http_host().
Bump to version 1.2
Fix SIGTERM handler to clean up pidfile

This also bumps the version to 1.2.1 for this fix.
Fixed init script to use daemon and to producte output that goes along with other init script for RedHat/CentOS.
Initd script clean and config for nagios package and stopping behavior

Since this script is intended for RedHat/CentOS I've adjusted the
configuration to use the paths for the Nagios package.

Changed the way the daemon is stopped, using killproc so we don't rely
on the pid file that could change place.
Fixed wrong path to nagios log file.
Merge pull request #28 from numkem/master

Initd file fixes
fix _exitfunc to actually exit
I was wrong about there only ever being a single Comment and/or Downtime object.  If there are multiple Comment or Downtime objects, we need to see them.
Added support for multiple Comment and Downtime objects to be returned by http_host.
Merge pull request #32 from RyanFrantz/master

I thought I was introducing an optimization be ensuring we didn't needlessly loop over multiple keys. Turns out, I introduced a bug that prevents the API from seeing multiple downtimes for a given host.
initial version of requirements.txt