Fix up game clock a bit more so that it correctly requests repaints when remotely controlled, fixed layout issues with Drive Team Rotation Generator, update README

lib/game_clock/particle_emitter.rb

@@ -71,6 +71,10 @@ module TAC
         end
       end
 
+      def particle_count
+        @particles.size
+      end
+
       def clock_active!
         @clock_active = true
         @particles.each(&:clock_active!)