add support for Scala 2.13.0-RC1

- update some dependencies (minor versions)
- careful with scala/scala-parser-combinators#197

Author: Sciss

build.sbt

@@ -10,7 +10,7 @@ lazy val commonSettings = inConfig(Test)(Defaults.testSettings) ++
     sonatypeProfileName := organization.value,
     scalaVersion := crossScalaVersions.value.head,
     crossScalaVersions := Seq(
-      "2.13.0-M5",
+      "2.13.0-RC1",
       "2.12.8",
       "2.11.12",
       "2.10.7"
@@ -76,10 +76,12 @@ def subprojectSettings(projectName: String) = commonSettings ++ Seq(
 
 def scala2_11Dependencies = Def.setting {
   CrossVersion.partialVersion(scalaVersion.value) match {
-    case Some((2, major)) if major >= 11 => Seq(
-      "org.scala-lang.modules" %% "scala-xml"                % "1.1.1",
-      "org.scala-lang.modules" %% "scala-parser-combinators" % "1.1.1"
-    )
+    case Some((2, major)) if major >= 11 =>
+      val parserV = if (major == 11) "1.1.1" else "1.1.2" // cf https://github.com/scala/scala-parser-combinators/issues/197
+      Seq(
+        "org.scala-lang.modules" %% "scala-xml"                % "1.2.0",
+        "org.scala-lang.modules" %% "scala-parser-combinators" % parserV
+      )
     case _ => Nil
   }
 }
@@ -90,7 +92,7 @@ lazy val scalariform = (project
   settings(publishSettings("scalariform"))
   settings(
     libraryDependencies ++= scala2_11Dependencies.value,
-    libraryDependencies += "org.scalatest" %% "scalatest" % "3.0.6-SNAP6" % Test,
+    libraryDependencies += "org.scalatest" %% "scalatest" % "3.0.8-RC2" % Test,
     // sbt doesn't automatically load the content of the MANIFST.MF file, therefore
     // we have to do it here by ourselves. Furthermore, the version format in the
     // MANIFEST.MF is `version.qualifier`, which means that we have to replace