Cleanup

core/src/mindustry/world/blocks/power/PowerGraph.java

@@ -56,8 +56,7 @@ public class PowerGraph{
 
     /** @return multiplier of speed at which resources should be consumed for power generation. */
     public float getUsageFraction(){
-        //TODO enable it later, or not?
-        return 1f; //lastUsageFraction;
+        return 1f;
     }
 
     public float getPowerProduced(){

core/src/mindustry/world/blocks/production/ResearchBlock.java

@@ -9,6 +9,7 @@ import mindustry.gen.*;
 import mindustry.world.*;
 
 public class ResearchBlock extends Block{
+    public float researchSpeed = 1f;
 
     public ResearchBlock(String name){
         super(name);