Moved convar creation to where it's used to avoid nil errors caused by timing differences

Added ability to switch Randoman to be independent (Thanks The Stig!)

- Updated to use new GMod features for small efficiency gains
- Added ability to set whether gifts given by santa should be owned by them for the purposes of roles that react to the original weapon buyer (e.g the beggar) (disabled by default)

Changed communist manifesto to not work on players who have no role, for whatever reason

Fixed taxidermist device convar not having correct maximum value in ULX

- Removed CR4TTT version shims now that 2.0 has been released
- Changed to use new message queuing system in CR4TTT 2.0

Fixed white border around santa icon

Updated to use replicated convars with a global fallback

Fixed minor logic error in Boxer tutorial

Changed taxidermy kit that use the C4 model to use the updated model that supports custom player model hand skins