Normalized comments.

This was mostly done automatically and then visually inspected for obvious errors.
All //-style comments should have a 2-space separation from the code, and 1 space after the comment sign.

src/Entities/ItemFrame.cpp

@@ -43,7 +43,7 @@ void cItemFrame::OnRightClicked(cPlayer & a_Player)
 		}
 	}
 
-	GetWorld()->BroadcastEntityMetadata(*this); // Update clients
+	GetWorld()->BroadcastEntityMetadata(*this);  // Update clients
 }