Update repair

Repair uses the same Cost as synthesis
Fix repair rules ordering

src/main/scala/leon/repair/RepairCostModel.scala

-/* Copyright 2009-2015 EPFL, Lausanne */
-
-package leon
-package repair
-
-import synthesis._
-import synthesis.rules._
-import repair.rules._
-
-case class RepairCostModel(cm: CostModel) extends WrappedCostModel(cm, "Repair("+cm.name+")") {
-
-  // FIXME: Implement this in repair strategy
-  /*override def andNode(an: AndNode, subs: Option[Seq[Cost]]) = {
-    val h = cm.andNode(an, subs).minSize
-
-    Cost(an.ri.rule match {
-      case Focus        => -10
-      case CEGLESS      => 0
-      case TEGLESS      => 1
-      case _            => h+1
-    })
-  }*/
-}

src/main/scala/leon/repair/Repairman.scala

@@ -192,12 +192,7 @@ class Repairman(ctx0: LeonContext, initProgram: Program, fd: FunDef, verifTimeou
 
     val soptions = so0.copy(
       functionsToIgnore = so0.functionsToIgnore + fd,
-      costModel = RepairCostModel(so0.costModel),
-      rules = (so0.rules ++ Seq(
-        Focus,
-        CEGLESS
-        //TEGLESS
-      )) diff Seq(ADTInduction, TEGIS, IntegerInequalities, IntegerEquation)
+      rules = Seq(Focus, CEGLESS) ++ so0.rules
     )
 
     new Synthesizer(ctx, program, ci, soptions)