Initial version that compiles with Maven

Sources:
http://www.scala-lang.org/old/node/345.html
http://whatiscomingtomyhead.wordpress.com/2011/10/31/scala-maven-pom-example/

Dependencies (eg. for scalatest) fixed basing on Janek Bogucki's comment in
the following google groups topic:
https://groups.google.com/forum/#!msg/scalatest-users/eNWUUb9iINM/spif0lumEeoJ
Adding maven-assembly-plugin for including scala-library in generated jar

Source:
http://stackoverflow.com/questions/3559717/including-scala-library-jar-in-maven-generated-package

This way you may run the generated jar simply with "java -cp ...".
Added README file.