Fixed missing bodygroup slider

• Copy and paste tool trees' settings between entities. Accessible in the menu where one can reset entities' appearances
  
• Left-click and Right-click interaction with some map brush entities, such as the gm_construct color room.

• Color mixer updates itself when we change proxies
  
• Reduce unnecessary processing

• colortree_proxy. Previously, users would have to remove the glow or cloak entities because they had it in the proxy entry in the first place. Users should choose if they want this in the first place, rather than setting it automaticaly

Change casing of some lua files to lowercase

For each tree tool, only add a halo to an entity if it is active

• Use resource.AddWorkshop to add localization files or other files
  
• Add more help text to the UI

Initial Workshop upload