added viewport meta tag to <head>
added style prop text-align: center to footer
made #openmenu a button in jQuery
in page_body block, made category listview as default
route /servers now queries for categories to display
added session['role'] = admin for default for now
removed role from session in /logout route
moved overlay panel code to master_tpl.html
moved overlay panel code to master_tpl.html
moved overlay panel code to master_tpl.html
change overlay panel code to be based on roles
had to fix the jinya template code to use .dot notation for dict type