EDIT

*added new config window
*added settings icon
*removed edit button from toolbar
*added double click listener
*added sql container and changed query
*added popupView for better editing
*saving back works properly

updated test for direction info

Merge branch 'creditor'

git merge test 2

git merge test

corrected string check

ConceptRelationshipComposite : made direction aware
EditConceptRelationshipComposite : made direction aware and added arrows as hints
StatusComposite, ConceptRelationshipView : moved taxon table drop handler from status composite to view
edit.scss, styles.css : added arrow styles

reverting back authentication hack

D3ConceptRelationshipTree, ConceptRelationshipComposite, ConceptRelationshipPresenter, ConceptRelationshipView, IConceptRelationshipComponentListener : added directional variable to display cr tree in both direction
d3.conceptrelationshiptree_connector.js : updated to handle bi-directional display...

ConceptRelationshipComposite: added enabling / disabling of edit / delete buttons and firing event when edit concept relationship dialog is opened
EditConceptRelationshipComposite : fixed problems with async calls , adapted to updated operation class, added show in dialog method...