STANBOL-998: Separated ReferencedSite (service) and ReferencedSiteComponent

git-svn-id: https://svn.apache.org/repos/asf/stanbol/trunk@1461480 13f79535-47bb-0310-9956-ffa450edef68
STANBOL-999: Separated CacheImpl (service) and CacheComponent

git-svn-id: https://svn.apache.org/repos/asf/stanbol/trunk@1461482 13f79535-47bb-0310-9956-ffa450edef68