work in progess
centers the menu on the tools page now that it has 4 elements. Regular, elegent centering techniques weren't working, so currently there's just a margin determined by some math I did. We can revisit later if necessary. (#178)
Finalizes tools page updates(#178). Also adds all of the new icons required for both those and the new apps landing page. (#179)
removes a leftover troubleshooting tidbit
changes page title of tools page -- it si now very obviously more than the "data" page (#178)
adds the apps landing page (#179) and related css.