Add scalafmt (closes #128)

Author: asoltysik

.scalafmt.conf

@@ -0,0 +1,15 @@
+style = default
+align = some
+maxColumn = 120
+docstrings = JavaDoc
+optIn.breakChainOnFirstMethodDot = true
+spaces.afterKeywordBeforeParen = true
+continuationIndent.defnSite = 2
+importSelectors = noBinPack
+rewrite.rules = [
+  AsciiSortImports,
+    RedundantBraces,
+      RedundantParens,
+        PreferCurlyFors
+        ]
+align.tokens = ["|", "!", "!!", "||", "=>", "=", "->", "<-", "|@|", "//", "/", "+"]

build.sbt

@@ -21,6 +21,7 @@ lazy val root = project.in(file("."))
   )
   .settings(BuildSettings.buildSettings)
   .settings(BuildSettings.publishSettings)
+  .settings(BuildSettings.formattingSettings)
   .settings(
     libraryDependencies ++= Seq(
       Dependencies.Libraries.jodaTime,

project/BuildSettings.scala

@@ -19,6 +19,9 @@ import Keys._
 import bintray.BintrayPlugin._
 import bintray.BintrayKeys._
 
+// Scalafmt
+import org.scalafmt.sbt.ScalafmtPlugin.autoImport._
+
 object BuildSettings {
 
   // Basic settings for our app
@@ -66,4 +69,8 @@ object BuildSettings {
         </developer>
       </developers>)
   )
+
+  lazy val formattingSettings = Seq(
+    scalafmtOnCompile := true
+  )
 }

project/plugins.sbt

@@ -1 +1,3 @@
 addSbtPlugin("org.foundweekends" % "sbt-bintray" % "0.5.4")
+
+addSbtPlugin("com.geirsson" % "sbt-scalafmt" % "1.5.1")