use commontsettings

build.sbt

@@ -1,11 +1,5 @@
 name := "feature-switching"
 
-version in ThisBuild := "0.13-SNAPSHOT"
-
-organization := "com.gu"
-
-scalaVersion := "2.10.0"
-
 lazy val commonDependencies = Seq(
   "javax.servlet" % "servlet-api" % "2.5" % "provided",
   "org.slf4j" % "slf4j-api" % "1.6.1"
@@ -16,15 +10,23 @@ lazy val scalatraDependencies = Seq(
   "org.scalatra" %% "scalatra" % "2.0.5"
 )
 
+lazy val commonSettings = Seq(
+  version               := "0.13-SNAPSHOT",
+  organization          := "com.gu",
+  scalaVersion          := "2.10.0",
+  libraryDependencies   ++= commonDependencies,
+  scalacOptions         += "-deprecation"
+)
+
 lazy val core = Project("feature-switching-core", file("core"))
-  .settings(libraryDependencies ++= commonDependencies)
+  .settings(commonSettings: _*)
 
 lazy val scalatra = Project("feature-switching-scalatra", file("scalatra"))
-  .settings(libraryDependencies ++= commonDependencies ++ scalatraDependencies)
+  .settings((libraryDependencies ++= commonDependencies ++ scalatraDependencies) ++  commonSettings: _*)
   .dependsOn(core)
 
 lazy val root = (project in file("."))
-  .settings(publishArtifact := false)
+  .settings((publishArtifact := false) ++ commonSettings: _*)
   .dependsOn(core, scalatra)
 
 publishTo <<= (version) { version: String =>
@@ -36,6 +38,3 @@ publishTo <<= (version) { version: String =>
         )
     )
 }
-
-
-scalacOptions += "-deprecation"