Fix WEB_ROOT not defined issue for service files.  Assumes /fog/ as the web root as that's the normal.  Will likely need WEB_ROOT assigned in special cases such as virtual host, but typically a default install will use the web root of /fog to access.

git-svn-id: https://svn.code.sf.net/p/freeghost/code/trunk@1650 71f96598-fa45-0410-b640-bcd6f8691b32
ADD README File.