Change structure of folders
Add note to lessons
Add note for lessons
Shows shedule for tomorrow if lessons end today
1. Fix bug with subgroup
2. Schedule not returned to today, when activity resumed
Add dialog with subject types
Add "Справка" and Settings Activity
Change Activities to Fragments
Little changes in Title, Structure and etc.
Add subject types in settings
1. Rename and fix bugs in widgets
2. Remove item in settings - "Выключать звук во время пар"
3. Add google analytics for fragments
4. Fix bug with separate line on Android OS 4.4
Release version