#Add depend on task
It's easy to add a task with dependOn within build.sbt, but it's not easy for build.scala, it's very very ..... eh...
object ProjectBuild extends Build {
//Fucking SBT........
val install = TaskKey[Unit]("install", "Run all test and then publish to local")
val installTask1 = install := println("Run install complete.")
val installTask2 = install <<= install.dependsOn(test in Test)