try to fix nagios::plugin problem

We have a serious problem with the concept that we had up to now if
you start adding more than one nagios server. This is an attempt to
fix it, with certain drawbacks, such as that you have to list all
the nagios plugins in the nagios modules. This will be subject of
further discussion.
it is not anymore necessary to add an empty source to purge directories
Fully qualify facter variables to suppress warnings
fully qualify fqdn and hostname facter variables
Merge pull request #3 from cwarden/fully-qualify-variables

Fully qualify facter variables to suppress warnings
Merge remote-tracking branch 'github/master'
use trocla for that password
it is not anymore necessary to add an empty source to purge directories
Fully qualify facter variables to suppress warnings

merge conflict due to immerda's branch not being up-to-date on the bot
fully qualify fqdn and hostname facter variables
use trocla for that password
put single quotes around the password to guard against exclamation points in passwords
Add the port arg to check_http_url_regex. Default 80.
Remove unnecessary jabber dependency.
Move the jabber plugin to its own class.
Merge pull request #5 from efroese/jabber-req

Jabber requirement
Merge pull request #4 from efroese/http-check

Add the port arg to check_http_url_regex. Default 80.
Merge remote-tracking branch 'github/master'
put the class the right place
new style for 2.7