Fix wolbroadcast to only add menu submenu items when under it's related node instead of all nodes. Also maybe fix host imports if location plugin is active, but the host imported does not have a relavant location assigned to it.

git-svn-id: https://svn.code.sf.net/p/freeghost/code/trunk@2564 71f96598-fa45-0410-b640-bcd6f8691b32
Merge svn with dev-branch