disabled add/import topology buttons for users with flag no_topology_create
account info: flags appear now human-readable for non-admin users
added "logged in as" information to the top-right of the web page.
rearranged admin menu navigation items
created page for "physical link stats" without content.
Merge branch 'master' into working_admin
included map from tomato2. Removed dependency on old data scheme (currently does not show any data). Added support for site.description.
cleaned up unused import
added graph page for link stats inside and between sites, integrated it as popup into the map.
included standard deviation into link stats graph (tooltip)
fix: better rounding system for delay
color is now determined by server; still just returning a default
fixed warning (tab/space indent issue)
Merge branch 'master' into working_admin
removed a line I previously inserted for testing purposes
Merge branch 'master' into working_admin
Merge branch 'master' into working_admin
Merge branch 'master' into working_admin