Add Escalante settings right after imports #11
Add simple and database Play quickstarts #12

* Added a HelloWorld Play quickstart.
* Add a Play quickstart where data is persisted in a database.
* Updated all quickstarts to use Escalante SBT plugin version 0.2.0.
* Updated HelloWorld Lift quickstart to use Lift 2.5-RC4 and Scala
2.10.1.