[FIX] Full screen Timetable balloons
[FIX] Add jsmin requirements setup.py
[IMP] Added profiling to migrate.py
[IMP] Merged vidyo indexes update
[FIX] Remove i18n participants

- Also delete obsolete code
[IMP] Improve migration, material list sorting
[FIX] Path issue in minified mode

 * Using cssrewrite fixes it;