revert DataCollector inheritance from abstract model
revert DataCollector inheritance from abstract model

When Embeddable::DataCollector inherited form Embeddable::Embeddable
the table name was 'embeddableddable'.
concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse