Added missing filtertable_horiz to list div template, to support new
"number of filter columns" option.
Fixing issue with file names in image cache helper, now md5()'ing the
name, to prevent issues with huge long Google static map strings with
funky characters in them as file names.
Merge branch 'joomla3' of ssh://git@github.com/Fabrik/fabrik.git into
joomla3

Conflicts:
	components/com_fabrik/views/list/tmpl/div/template_css.php