Support for isc-dhcp-server
updateserver - added init.d support for isc-dhcp-server.
configure_authentication - now adds in a message to show if a server is configured to show users and groups.
updateserver - bugfix for isc-dhcp-server.
client_boot_controls - comment fix!
activate_ssh - number of password prompts set to 1.

This script was stalling if an incorrect password was entered.
services_view - logic improvements and support for nscld
module_distributionserver - now redirects to show servers page on completion.