commit development & production copies of main stylesheet
'continue to style the <aside> (see msg)

-adjust tablet landscape view
-add/remove styles
-change style names (i.e., remove 'footer' from style name and replace it with 'aside')
change "social-networking-menu-column-class" classname to "menu-social-networking-column-class"
commit development & production copies of main stylesheet
make structural fixes to the <aside> tag (see msg)

-rename classes globally...make them semantic.
-add ids to some elements...make them semantic.
-fix indentation in the HTML.