Add sbt build definition

Author: julienrf

build.sbt

@@ -0,0 +1,49 @@
+// TODO Make it a cross project when Scala.js is released for 2.13.0-M4
+
+scalaVersion := "2.13.0-M4-pre-20d3c21"
+
+organization := "org.scala-lang"
+
+version := "0.1.0-SNAPSHOT"
+
+scalacOptions ++= Seq("-deprecation", "-feature", "-opt-warnings", "-unchecked", "-language:higherKinds")
+
+scalacOptions in (Compile, doc) ++= Seq("-implicits", "-groups")
+
+testOptions += Tests.Argument(TestFrameworks.JUnit, "-q", "-v", "-s", "-a")
+
+fork in Test := true
+
+parallelExecution in Test := false
+
+homepage := Some(url("https://github.com/scala/scala-collection-contrib"))
+ 
+licenses := Seq("BSD 3-clause" -> url("http://opensource.org/licenses/BSD-3-Clause"))
+
+scmInfo := Some(
+  ScmInfo(
+    url("https://github.com/scala/scala-collection-contrib"),
+    "scm:git:[email protected]:scala/scala-collection-contrib.git"
+  )
+)
+
+pomExtra :=
+    <developers>
+      <developer><id>julienrf</id><name>Julien Richard-Foy</name></developer>
+      <developer><id>szeiger</id><name>Stefan Zeiger</name></developer>
+    </developers>
+
+// For publishing snapshots
+credentials ++= (
+  for {
+    username <- sys.env.get("SONATYPE_USERNAME")
+    password <- sys.env.get("SONATYPE_PASSWORD")
+  } yield Credentials("Sonatype Nexus Repository Manager", "oss.sonatype.org", username, password)
+).toList
+
+libraryDependencies ++= Seq(
+  "junit"            % "junit"           % "4.11",
+  "com.novocode"     % "junit-interface" % "0.11"   % Test,
+  "org.openjdk.jol"  % "jol-core"        % "0.5"
+)
+

project/build.properties

@@ -0,0 +1 @@
+sbt.version=0.13.17

project/plugins.sbt

@@ -0,0 +1,4 @@
+addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "1.1")
+
+addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.0.1")
+