Add time control and clock boxes

[fsmosca]

• [x] Add TimeControl menu
  • [x] Add Engine submenu
  • [x] Fischer type, example TC 300+10
  • [x] Add User submenu
  • [x] Fischer type, example TC 300+10
  • [x] Delay type, example TC 300-10
• [x] Add clock box for engine
  • [x] Remaining time box, hh:mm:ss
  • [x] Elapsed counter box, mm:ss:ms
• [x] Add clock box for user
  • [x] Remaining time box, hh:mm:ss
  • [x] Elapsed counter box, mm:ss:ms