Install Java, Simple Build Tool

http://code.google.com/p/simple-build-tool/


Edit this file with your mysql settings
src/main/resources/props/default.props 

Then cd into grid and type:
sbt

At the sbt prompt, type:
update

#This may take a while the first time, it will download dependences.

Then:
jetty-run

Point your browser to:
http://localhost:8080/