Update PacketFence_Administration_Guide.asciidoc

whitelisted_categories "dépasse" dans la case suivante sur mon pdf généré de la 4.4
J'ai juste déplacé le Caution car il me semblais plus approprié que les users voit ça avant de commencer la config concernant le "billing"
Test if pfdhcplistener is enabled to run in the configuration
Added radius_request as param in getNodeInfoForAutoreg
Update PacketFence_Administration_Guide.asciidoc

edited, ready for merge
Merge pull request #259 from whitx/devel

Documentation review
Send $switch and not $switch->{_id} for getNodeInfoForAutoReg
Do not call request->param(username) in a list context
Automatically find any new asciidoc for processing
Fix connection type
fix content encoding on portal and emails
New module for connectioning and querying omapi service
Script for testing omapi connections
Removed unused import pairs
Remove DDP and switch to Data::Dumper
Set the default values using sub routines
Add new parameters for using omapi for ip -> mac resolution
Use the omapi client if advanced.use_omapi_to_lookup_mac is enabled
Updated pod doc
Update NEWS file
Fixed hard coded value for ip