Fixed issues with annotator params not updating after adding or removal of annotator in frontend + problems with params names after introduction of params tooltips.

Decription attribute renamed to description

KEGG annotator supporting PUBMED mapping implemented. Not-tested version of annotations grouping in frontend

chemical connector uses api over ssl and due to change of http response status error handling slightly changed

new MiriamData converted to createMiriamData (situations like addPubchemMiriam or addCogMiriam still need to be addressed)

Added associated annotator class to miriam data including hibernate mapping + createMiriamData in element annotator. without unit tests