Password change is no longer required for edit data. Closes #141
User now can edit password without logout and with friendly notification. Closes #142 and closes #83
Update what's new page
User can now edit reservation group's period #137
Full edit now works. #137
Requester now is trackable via history. User can edit user from reservation group #137
Change text from edit place and period from reservation group. Add description to what's new page. Closes #137
Made search form for place #144
Add sectors to place list. Closes #144