Improve pom.xml (enhance scope for some dependencies)
Change V0.4.0-SNAPSHOT to V0.3.1-SNAPSHOT
Add JavaDoc comments
Some minor enhancements such as fake receiver email in configuration property files
Use Angular-Bootstrap instead of manual Bootstrap integration
Fix JSHint errors
Fix Karma tests errors
Fix maven clean task (now takes into account "target-grunt")
Prepare release JRocket-0.3.1