Fix syntax errors so it matches our style guide.

made the models searchable with elasticsearch

removal of travis error casuing changes

all remaining generalizations

move iri_for_child to ontology for interpretating importet ontologies

let DOs generate child-iris with ? instead of #. In HTTP/URL syntax the "#" represents a fragment which isn't even send to the server. This usually means that it is not appropriate to use "#" for single individuals. Instead we will use the Query-Separator "?".

Import of Links works

Makes single url path of different ontology types

XML parser adjusted to the new format