removed pesky font styles

Some font styles were causing issues, so out they go. You should
probably be defining typography CSS in a separate file anyway!
some tips

Just a couple of quick tips for working with this grid. more for myself
than anyone else, but hey.
added issues list

Created a quick bullet list to keep track of issues I know about. Gonna
try and fix these if I can.
trimmed the fat a little
tidy up
update to match grid.css