[TTT] Special Rounds

###General changes

1. Changed the way rounds are handled internally. It is now more efficient and easier to make rounds, and the template requires very little editing to be functional
2. Added more external functions to make round creation easier
3. Improved optimization for all rounds
4. Added back the ForceModels option
5. Made the config format consistent
6. Added clean templates in addition to the existing ones
7. Added auto corpse identification for the Hide & Seek round

###Bug Fixes:

1. Fixed issue that would cause infinite credits after certain rounds
2. Fixed issue that would break the admin menu on lower resolutions
3. Fixed issue in Teamswitch Deathmatch that caused the round to never end after a player left
4. Fixed issue in thhe Infected round that caused the last survivor to not be seen through walls
5. Fixed ladders in the Inverted round
6. Added attack invertion for the Inverted round

Files changed: A lot Practically all of them