Filling in example sbt project

scala/sbt-guide/.env

@@ -0,0 +1 @@
+PATH="$PWD/bin:$PATH"

scala/sbt-guide/.gitignore

@@ -1 +1,2 @@
 /bin/
+target/

scala/sbt-guide/hello/build.sbt

@@ -0,0 +1,5 @@
+name := "hello"
+
+version := "1.0"
+
+scalaVersion := "2.9.1"

scala/sbt-guide/hello/src/main/scala/hw.scala

@@ -0,0 +1,3 @@
+object Hi {
+  def main(args: Array[String]) = println("Hi")
+}