Implemented the dataset configuration class for the AQUAINT dataset. Implemented a better handling of missing property values.
Merge branch 'master' of https://github.com/AKSW/gerbil
Refactored the property handling by using Apache Commons Configuration. Fixed bugs inside the BabelfyAnnotator to make Babelfy running.
Merge branch 'master' of https://github.com/AKSW/gerbil