Add temporary tasks to mock the sbt release plugin

build.sbt

@@ -5,3 +5,21 @@ version := "1.0"
 scalaVersion := "2.11.8"
 
 libraryDependencies += "org.scalatest" % "scalatest_2.11" % "3.0.0" % "test"
+
+// add temporary task until the sbt release plugin is ready
+lazy val releaseNightly = taskKey[Unit]("releaseNightly")
+releaseNightly := {
+  println("success")
+}
+
+// add temporary task until the sbt release plugin is ready
+lazy val releaseBeta = taskKey[Unit]("releaseBeta")
+releaseBeta := {
+  println("success")
+}
+
+// add temporary task until the sbt release plugin is ready
+lazy val releaseStable = taskKey[Unit]("releaseStable")
+releaseStable := {
+  println("success")
+}