PLINK-268 many hacks later, got PermissionVoterProducer working with hard-coded Drools config
Merge branch 'master' of github.com:picketlink/picketlink

Conflicts:
	modules/idm/drools/pom.xml
move base module api and impl dirs into modules/base
PLINK-268 basic implementation for persistent permission checks
PLINK-268 added @InheritsPrivileges annotation, implemented basic API for privilege inheritence chains