Prophunt rework

See merge request !5

Project restructure

See merge request !4

Several use attempts for !propreroll

See merge request !3

Don't call DoEquipProp if the prop is being respawned.
Kill players who spawn on a team other than RED or BLU.

Add some really lazy workshop support.

Validate the Entity Index.

Move weapon alpha setting to a new method and call it directly.

Set the extrawearable viewmodels invisible as well.

Split the regenerate logic for the antihack into a separate call.  Fixes propmenu / propreroll giving players their health back.