Version 3.6.0 of the base ontology

Version 3.6.0 of the base ontology. Due to moving .owl files to Gitlab we changed IRIs of the base ontology to: https://git.onem2m.org/MAS/BaseOntology/raw/master/base_ontology.owl and IRI of version 3_6_0 to: https://git.onem2m.org/MAS/BaseOntology/raw/3_6_0/base_ontology.owl