Add sbt-scalafmt plugin

- Use scala-native .scalafmt.conf
- Bump sbt to 1.3.5
- Format all repository

Author: lolgab

.scalafmt.conf

@@ -0,0 +1,9 @@
+version = "2.0.1"
+style = defaultWithAlign
+docstrings = JavaDoc
+assumeStandardLibraryStripMargin = true
+project.excludeFilters = [
+  scalalib/
+]
+project.git = true
+runner.dialect = Scala211

build.sbt

@@ -1,15 +1,18 @@
-
 homepage := Some(url("https://github.com/scala-native/scala-native-loop"))
-licenses := Seq("Apache 2.0" -> url("http://www.apache.org/licenses/LICENSE-2.0"))
+licenses := Seq(
+  "Apache 2.0" -> url("http://www.apache.org/licenses/LICENSE-2.0")
+)
 publishMavenStyle := true
 publishArtifact in Test := false
-pomIncludeRepository := { _ => false }
+pomIncludeRepository := { _ =>
+  false
+}
 publishTo in ThisBuild := {
   val nexus = "https://oss.sonatype.org/"
   if (isSnapshot.value)
     Some("snapshots" at nexus + "content/repositories/snapshots")
   else
-    Some("releases"  at nexus + "service/local/staging/deploy/maven2")
+    Some("releases" at nexus + "service/local/staging/deploy/maven2")
 }
 scmInfo := Some(
   ScmInfo(
@@ -18,7 +21,12 @@ scmInfo := Some(
   )
 )
 developers := List(
-  Developer("rwhaling", "Richard Whaling", "richard@whaling.dev", url("http://whaling.dev"))
+  Developer(
+    "rwhaling",
+    "Richard Whaling",
+    "richard@whaling.dev",
+    url("http://whaling.dev")
+  )
 )
 
 lazy val commonSettings = Seq(
@@ -33,51 +41,51 @@ lazy val commonSettings = Seq(
 )
 
 lazy val core = (project in file("core"))
-                .settings(name := "native-loop-core")
-                .settings(commonSettings:_*)
-                .settings(skip in publish := false)
-                .settings(skip in publishLocal := false)
-                .enablePlugins(ScalaNativePlugin)
+  .settings(name := "native-loop-core")
+  .settings(commonSettings: _*)
+  .settings(skip in publish := false)
+  .settings(skip in publishLocal := false)
+  .enablePlugins(ScalaNativePlugin)
 
 lazy val pipe = (project in file("pipe"))
-                     .settings(commonSettings:_*)
-                     .enablePlugins(ScalaNativePlugin)
-                     .dependsOn(core)
+  .settings(commonSettings: _*)
+  .enablePlugins(ScalaNativePlugin)
+  .dependsOn(core)
 
 lazy val client = (project in file("client"))
-                 .settings(commonSettings:_*)
-                 .enablePlugins(ScalaNativePlugin)
-                 .dependsOn(core)
+  .settings(commonSettings: _*)
+  .enablePlugins(ScalaNativePlugin)
+  .dependsOn(core)
 
 lazy val server = (project in file("server"))
-             	 	 .settings(commonSettings:_*)
-                 .enablePlugins(ScalaNativePlugin)
-                 .dependsOn(core)
+  .settings(commonSettings: _*)
+  .enablePlugins(ScalaNativePlugin)
+  .dependsOn(core)
 
 lazy val scalaJsCompat = (project in file("scalajs-compat"))
-                .settings(name := "native-loop-js-compat")
-                .settings(commonSettings:_*)
-                .settings(skip in publish := false)
-                .settings(skip in publishLocal := false)
-                .enablePlugins(ScalaNativePlugin)
-                .dependsOn(core)
+  .settings(name := "native-loop-js-compat")
+  .settings(commonSettings: _*)
+  .settings(skip in publish := false)
+  .settings(skip in publishLocal := false)
+  .enablePlugins(ScalaNativePlugin)
+  .dependsOn(core)
 
 lazy val serverExample = (project in file("examples/server"))
-             	 	 .settings(commonSettings:_*)
-                 .enablePlugins(ScalaNativePlugin)
-                 .dependsOn(core,server,client)
+  .settings(commonSettings: _*)
+  .enablePlugins(ScalaNativePlugin)
+  .dependsOn(core, server, client)
 
 lazy val pipeExample = (project in file("examples/pipe"))
-             	 	 .settings(commonSettings:_*)
-                 .enablePlugins(ScalaNativePlugin)
-                 .dependsOn(core,pipe,client)
+  .settings(commonSettings: _*)
+  .enablePlugins(ScalaNativePlugin)
+  .dependsOn(core, pipe, client)
 
 lazy val curlExample = (project in file("examples/curl"))
-             	 	 .settings(commonSettings:_*)
-                 .enablePlugins(ScalaNativePlugin)
-                 .dependsOn(core,client)
+  .settings(commonSettings: _*)
+  .enablePlugins(ScalaNativePlugin)
+  .dependsOn(core, client)
 
 lazy val timerExample = (project in file("examples/timer"))
-             	 	 .settings(commonSettings:_*)
-                 .enablePlugins(ScalaNativePlugin)
-                 .dependsOn(core)
+  .settings(commonSettings: _*)
+  .enablePlugins(ScalaNativePlugin)
+  .dependsOn(core)