Version 0.7.1 of TAC Energy Demo Client released

Written for tacenergydemo by Carsten Block on 2010-06-25

The 0.7.1 release of the TAC Energy Demo Client is a bug fixing release for the 0.7 series.
Main improvements:
-- Ivy/Maven circular dependency resolution issue fixed
-- Documentation on balancing power calculation added
-- Upgrade to grails version 1.3.2