Gametype fixes

• Fixes Pink Shield not being awarded in friendly gametypes that weren't Co-op.
• Fixes player being reset in friendly gametypes that weren't Co-op.
• Prevents skin restriction in friendly gametypes.
• Fixes Emerald Hunt not working with the Emerald Hunt gametype rule.
• Fixed countdown time-up in not working in campaign gametypes that weren't Co-op.
• Fixes Hide and Seek.
• Score adding and stealing checks the gametype's rules.
• Exiting movement was changed to run in any friendly gametype.
• int_none intermission screens are skipped.

Needs testing.