Host page should now be able to add additional macs, remove additional macs, and add pending mac's again all under the new system of handling MACs.  Everything right now should work the same as it always has just macs are in the hostMAC table rather than three separate tables containing host macs.

git-svn-id: https://svn.code.sf.net/p/freeghost/code/trunk@2360 71f96598-fa45-0410-b640-bcd6f8691b32