new snapshot updates

[Zemian Deng]

Added few helper classes and organized the project for smoother build.

Check out combined Scaladoc:
http://faxintelligence.com:8081/sweet-scaladocs/sweet-0.0.1-SNAPSHOT.319/index.html

Check out updated demo:
http://faxintelligence.com:8081/sweet-sample-basic

Downloads:
http://sweetscala.googlecode.com/files/sweet-0.0.1-SNAPSHOT.319-bin.zip

Change Notes:
http://code.google.com/p/sweetscala/source/browse/trunk/RELEASE.txt

Sweet - a Scala web framework:
http://code.google.com/p/sweetscala