Merge pull request #83 from scala-steward/update/sbt-scalajs-1.0.0

Update sbt-scalajs, scalajs-compiler to 1.0.0

Author: SethTisue

.travis.yml

@@ -10,7 +10,7 @@ scala:
 env:
   - ADOPTOPENJDK=8  SCALAJS_VERSION=
   - ADOPTOPENJDK=8  SCALAJS_VERSION=0.6.32
-  - ADOPTOPENJDK=8  SCALAJS_VERSION=1.0.0-RC2
+  - ADOPTOPENJDK=8  SCALAJS_VERSION=1.0.0
   - ADOPTOPENJDK=11 SCALAJS_VERSION=
 
 install: