Make all the page foreach loops ensure the variable is a variable.  This should limit the warnings thrown, especially for those with error reporting to the browser.  Changes the Slider bar for FOG_PIGZ_COMP to use jquery ui slider.

git-svn-id: https://svn.code.sf.net/p/freeghost/code/trunk@1573 71f96598-fa45-0410-b640-bcd6f8691b32
ADD README File.