Refactor the Hibernate support
Repositories
Simpler bnd
Unit tests
Use the correct check to ensure that we don't allow empty compositions
Small bugfixing
Examples
Merge branch 'pr-226' into modules-isolation-polls-application-gradle-based

Conflicts:
	osgi/modules/polls-application/polls-impl/bnd.bnd
	osgi/modules/polls-application/settings.gradle
Remove TODO and some non required servlet
Missing templates