Upgrade Scala and sbt plugin versions

build.sbt

@@ -1,6 +1,3 @@
-import SonatypeKeys._
-
-sonatypeSettings
 
 name := "snappy-java"
 
@@ -10,7 +7,7 @@ organizationName := "xerial.org"
 
 description  := "snappy-java: A fast compression/decompression library"
 
-profileName := "org.xerial" 
+sonatypeProfileName := "org.xerial" 
 
 pomExtra := {
    <url>https://github.comm/xerial/snappy-java</url>
@@ -47,7 +44,7 @@ pomExtra := {
     </scm>
 }
 
-scalaVersion := "2.11.1"
+scalaVersion := "2.11.6"
 
 javacOptions in (Compile, compile) ++= Seq("-encoding", "UTF-8", "-Xlint:unchecked", "-Xlint:deprecation", "-source", "1.6", "-target", "1.6")
 
@@ -114,3 +111,20 @@ OsgiKeys.additionalHeaders := Map(
  "Bundle-ActivationPolicy" -> "lazy",
  "Bundle-Name" -> "snappy-java: A fast compression/decompression library"
 )
+
+import ReleaseTransformations._
+
+releaseProcess := Seq[ReleaseStep](
+  checkSnapshotDependencies,
+  inquireVersions,
+  runClean,
+  runTest,
+  setReleaseVersion,
+  commitReleaseVersion,
+  tagRelease,
+  ReleaseStep(action = Command.process("publishSigned", _)),
+  setNextVersion,
+  commitNextVersion,
+  ReleaseStep(action = Command.process("sonatypeReleaseAll", _)),
+  pushChanges
+)

project/build.properties

@@ -1,2 +1,2 @@
-sbt.version=0.13.6
+sbt.version=0.13.8
 

project/plugins.sbt

@@ -1,9 +1,9 @@
 
-addSbtPlugin("com.github.gseitz" % "sbt-release" % "0.7.1")
+addSbtPlugin("com.github.gseitz" % "sbt-release" % "1.0.0")
 
-addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "0.2.1")
+addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "0.5.0")
 
-addSbtPlugin("com.typesafe.sbt" % "sbt-pgp" % "0.8.3")
+addSbtPlugin("com.jsuereth" % "sbt-pgp" % "1.0.0")
 
 addSbtPlugin("de.johoop" % "findbugs4sbt" % "1.3.0")