[ticket:14] Move static (js, css) to subdirectories.
[ticket:14] Move js into the head tag.
[ticket:14] Use ContentType instead get_apps in modelstat.
[ticket:14] Remove excess using of tests.Client
[ticket:14] Fix jquery event handler.
[ticket:14] Add test for removing requests.
[ticket:14] Add request_remove_handler and remove button in requests list.
Merge branch 't14_fixes'