Post release 1.2.0.

Author: sjrd

build.sbt

@@ -1,5 +1,5 @@
-val previousVersion: Option[String] = Some("1.1.1")
-val newScalaBinaryVersionsInThisRelease: Set[String] = Set("3")
+val previousVersion: Option[String] = Some("1.2.0")
+val newScalaBinaryVersionsInThisRelease: Set[String] = Set.empty
 
 inThisBuild(Def.settings(
   organization := "org.scala-js",