Added CRenderComponent.SetClientAllowDraw (this component is networked so calling SetRenderingEnabled clientside gets stomped)
Added Viewer property to Camera
Simplify C_BaseEntity::UpdateVisibility
Call UpdateVisibilityAllEntities when g_ViewEntity changes
C_BaseEntity::ShouldDraw returns false if it's g_ViewEntity
FirstPersonCamera test, show the player model when holding attack1