Use the FOGManagerController's search method in a more class friendly basis.  All pages can search for contents by host.  It is refined further individually.  This allows us to remove a spare query statement for this to operate more as it is expected I think.

git-svn-id: https://svn.code.sf.net/p/freeghost/code/trunk@2334 71f96598-fa45-0410-b640-bcd6f8691b32
Merge svn with master