Fixed issues with no drafts.
Start of Unlock Condition Creator.
updating smartgrid predicates.
Updated the smartgrid predicates to be more specific.
quest completion and unlock conditions now use new predicates.
Unlock creator provides 'ordered' list of predicates.
Start on unlock_creator widget.
Merge branch 'unlock_creator' into designer_doc
Updated Smart Grid Design chapter.
Fixed test and pylint errors, for documentation merge.
documentation fix.
Merge branch 'designer_doc' into develop.