refactored package name
Merge branch 'master' of https://github.com/EIS-Bonn/Luzzu.git
Created Luzzu Operations Module
Created CacheManager; Cache DS; and TemporaryGraphMetadataCacheObject to
cache quality metadata from streamed datasets
Created PropertyManager and Cache Property file
Cleaned up Stream Processor. Implemented StreamMetadataSniffer to
extract quality metadata from assessed datasets and eventually be cached
by the CacheManager
Implemented Quality Metadata annotation
Deprecated toDAQTriples method and AbstractQualityMetric class
Updated DAQ and generated new classes
Updated POM. Note that latest commits (6th August) are without test
classes. These will be done in the next commits.