STANBOL-968 Clerezza-based SemanticIndex is implemented * It is a ldpath-based index, thus it indexes the submitted documents according to the ldpath program, and indexed documents can be queried over sparql endpoint of the project. * a Factory class is also implemented for ClerezzaSemanticIndex. It provides creation/deletion for Clerezza-based indexes. * Default configuration is added for the creation of the default ClerezzaSemanticIndex
stanbol/branches/contenthub-two-layered-structure/contenthub/defaults/src/main/resources/config/org.apache.stanbol.contenthub.index.clerezza.ClerezzaSemanticIndex-default.config
stanbol/branches/contenthub-two-layered-structure/contenthub/index/src/main/java/org/apache/stanbol/contenthub/index/clerezza/