Issue #1306672 by jimkeller: changed admin_hover_init to use default jQuery JSON parsing instead of Drupal.parseJSON

#552914 by conortm: fixed php undefined variable notices; #663096 by conortm: fixed block configuration link messing up because of - in delta; #708470 by conortm: fixed iterating over responded objects

Major update to module structure and hook implementation. #315888: added settings page to select/de-select admin_hover links.

Initial commit of admin_hover module by conortm.  This module provides administrative links for nodes and blocks on mouse hover.