Changed div container position
Changed buttons in Workshop_index page
Changed Submit button in edit_schedule formular
Reworked workshop_schedule page
Changed Add_schedule button position
Reworked Workshop_workshops page
Reworked Workshop_Semigroups page
Reworked Workshop_gradebook page
Changed button in workshop_editgroup page
Reworked Workshop_editspot page
Changed workshop_edit page
Changed button in workshop_addgroup page
Changed button in workshop_add page
Added trans tag to button in workshop_schedule_change page