add spring roo addon to support soft delete in entity

1. svn checkout https://subversion.finalconcept.com.au/final-concept-spring-roo-behaviours/trunk/roo-addon-behaviours ./roo-addon-behaviours
   cd ./roo-addon-behaviours
   mvn install

Roo Commands

• behaviours soft-delete add –type <JavaType>
• behaviours soft-delete all

ref: https://redmine.finalconcept.com.au/projects/final-concept-spring-roo-behaviours/wiki/Installation