Added an option to make taunts loop; Fixed some potential crashes

Players can choose taunt animation that is played on tombstone icon model; Tombstone info panel is now colored in tombstone's color; Many fixes and optimizations

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- Fixed an issue with PhysicsCollide function being called several times making tombstones "dancing" on the ground.

- Tombstones now being correctly positioned on inclined surfaces

- Fixed an issue with bots i've overlooked after previous update
- Fixed potential abuse, where players were able to put looping sounds on their tombstones and they will be playing infinitely, even after tombstone is deleted. Now tombstone sounds are being stopped after tombstone is deleted.
- Minor optimizations. Rewrote several functions and made them handle unexpected situations better.

- Clientside settings now have an option allowing players to change color of their tombstones.
- Fixed a rare issue, where tombstones may not retrieve their physics object when player is dying too fast, causing errors.
- Settings in spawnmenu is now being rendered in correct order

- Fixed a thing i have overlooked with tombstone protection.
- Tombstones are not getting saved into saves anymore.

Fixed tombstones not removing when player leaves the game.