Remove the checks that prevented hosts from going into the _default host group when in that environment
Use the nagios server name for the nagios_check_command so it works on source installs

Source installs use /usr/sbin/nagios not /usr/sbin/nagios3 like the
package installs
Set per platform nrpe home values and set arch specific values on RHEL/Fedora

This matches how package installs setup the nrpe home directory on RHEL
based systems.
Remove gd development packages from client_source recipe

These aren't needed to install NRPE.  Just Nagios server.  They come
with an enormouse number of prereqs including X11 libs
Add per platform / arch values for the nagios plugins directory

RHEL 64bit needs to be in a different directory than other platforms
Install NRPE 2.14 by default not 2.13
COOK-2136: Add configuration of attribute used for host naming
Use with-nagios-user and with-nagios-group when compiling NRPE
Merge pull request #82 from tas50/COOK-2132

COOK-2132: Install NRPE 2.14 by default not 2.13
Merge pull request #84 from tas50/COOK-2135

COOK-2135: Use with-nagios-user and with-nagios-group when compiling NRPE
Merge pull request #83 from jcam/master

COOK-2136: Add configuration of attribute used for host naming 
Merge pull request #79 from tas50/COOK-2129

COOK-2129: Remove the checks that prevented hosts from going into the _default host...
Merge pull request #81 from tas50/COOK-2131

COOK-2131: Remove gd development packages from client_source recipe
Merge pull request #86 from tas50/COOK-2130

Cook 2130: Use the correct plugin path / home dir values on 64bit RHEL / Fedora systems
Merge pull request #80 from tas50/COOK-1553

COOK-1553: Use the nagios server name for the nagios_check_command so it works on s...