Avoid deprecation/feature warnings

This commit adds -deprecation and -feature to scalacOptions and fix source code to avoid deprecation/feature warnings.
Since #8 is already working on the usages of deprecated CompilationUnit, this commit does not fix them.

Author: sumito3478

build.sbt

@@ -9,7 +9,10 @@ lazy val commonSettings = scalaModuleSettings ++ Seq(
   organization               := "org.scala-lang.plugins",
   version                    := "1.0.1-SNAPSHOT",
   scalaVersion               := "2.11.2",
-  snapshotScalaBinaryVersion := "2.11.2"
+  snapshotScalaBinaryVersion := "2.11.2",
+  scalacOptions ++= Seq(
+    "-deprecation",
+    "-feature")
 )
 
 lazy val root = project.in( file(".") ).settings( publishArtifact := false ).aggregate(plugin, library).settings(commonSettings : _*)

library/src/test/scala/scala/tools/selectivecps/TestSuite.scala

@@ -6,7 +6,7 @@ import org.junit.Assert.assertEquals
 import scala.annotation._
 import scala.collection.Seq
 import scala.collection.generic.CanBuildFrom
-import scala.language.{ implicitConversions }
+import scala.language.{ implicitConversions, higherKinds }
 import scala.util.continuations._
 import scala.util.control.Exception
 
@@ -403,9 +403,9 @@ class Suspendable {
   def test4[A](x: List[A]): A @suspendable = x match { case List(x) => x }
 
   @Test def t1821 {
-    assertEquals((), reset(test1()))
+    assertEquals((), reset(test1(())))
     assertEquals((), reset(test2(List(()))))
-    assertEquals((), reset(test3()))
+    assertEquals((), reset(test3(())))
     assertEquals((), reset(test4(List(()))))
   }
 }
@@ -716,12 +716,12 @@ class HigherOrder {
               reset {
                 f(element)
                 if (super.decrementAndGet() == 0) {
-                  continue()
+                  continue(())
                 }
               }
             }
             if (super.decrementAndGet() == 0) {
-              continue()
+              continue(())
             }
           }
         })

plugin/src/main/scala/scala/tools/selectivecps/CPSUtils.scala

@@ -35,7 +35,7 @@ trait CPSUtils {
   lazy val MarkerCPSAdaptMinus = rootMirror.getRequiredClass("scala.util.continuations.cpsMinus")
 
   lazy val Context = rootMirror.getRequiredClass("scala.util.continuations.ControlContext")
-  lazy val ModCPS = rootMirror.getPackage("scala.util.continuations")
+  lazy val ModCPS = rootMirror.getPackage(TermName("scala.util.continuations"))
 
   lazy val MethShiftUnit  = definitions.getMember(ModCPS, cpsNames.shiftUnit)
   lazy val MethShiftUnit0 = definitions.getMember(ModCPS, cpsNames.shiftUnit0)