Remove HookManager if the url is pointing to mobile.  Mobile is already restricted to four elements of which only two are useful.  URL's aren't allowed to pass either unless they're proper for mobile site anyway.  Hooks will not be loaded at all if it's mobile.

git-svn-id: https://svn.code.sf.net/p/freeghost/code/trunk@1980 71f96598-fa45-0410-b640-bcd6f8691b32
Add Readme