publication download buttons are more responsive.
added lang tag and reoreder meta tags
some more cleanup on the wrapper
got rid of the unnecessary IE clause
moved the research statements back to research page
removed confusing icons in navigation

- The research teaching and software page are now accessible from
  direct links on the top page. It used to be accessible from the
  navigation menus. This change is because there were no intuitive
  icons for them.
discus thread div re-indented
publication detials my name in linked to my homepage