Upgrade to Scala.js 0.6.23.

Author: sjrd

.travis.yml

@@ -12,7 +12,7 @@ scala:
 jdk:
   - oraclejdk8
 env:
-  - SCALAJS_VERSION=0.6.22
+  - SCALAJS_VERSION=0.6.23
   - SCALAJS_VERSION=1.0.0-M3
 matrix:
   exclude:

project/build.sbt

@@ -1,5 +1,5 @@
 val scalaJSVersion =
-  Option(System.getenv("SCALAJS_VERSION")).getOrElse("0.6.22")
+  Option(System.getenv("SCALAJS_VERSION")).getOrElse("0.6.23")
 
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % scalaJSVersion)