Replace Scala 2.10 support with 2.13 support

Author: gzm0

.travis.yml

@@ -1,9 +1,9 @@
 sudo: false
 language: scala
 scala:
-  - 2.10.7
   - 2.11.12
   - 2.12.8
+  - 2.13.1
 jdk:
   - openjdk8
 env:

build.sbt

@@ -2,7 +2,7 @@ inThisBuild(Seq(
   version := "1.0.0-SNAPSHOT",
   organization := "org.scala-js",
 
-  crossScalaVersions := Seq("2.12.8", "2.10.7", "2.11.12"),
+  crossScalaVersions := Seq("2.12.8", "2.11.12", "2.13.1"),
   scalaVersion := crossScalaVersions.value.head,
   scalacOptions ++= Seq("-deprecation", "-feature", "-Xfatal-warnings"),
 

jsdom-nodejs-env/src/main/scala/org/scalajs/jsenv/jsdomnodejs/JSDOMNodeJSEnv.scala

@@ -73,7 +73,7 @@ class JSDOMNodeJSEnv(config: JSDOMNodeJSEnv.Config) extends JSEnv {
   private def codeWithJSDOMContext(scripts: List[Path]): List[Path] = {
     val scriptsURIs = scripts.map(JSDOMNodeJSEnv.materialize(_))
     val scriptsURIsAsJSStrings =
-      scriptsURIs.map(uri => '"' + escapeJS(uri.toASCIIString) + '"')
+      scriptsURIs.map(uri => "\"" + escapeJS(uri.toASCIIString) + "\"")
     val jsDOMCode = {
       s"""
          |(function () {