+ add : bootstrap-select.js - for selecting predicate connection
+ add : bootstrap-select.css - for selecting predicate connection
+ add : addLink.php - file for load list of predicates from DB and printing to list to add new tag
+ add : loadPredicates.php file for AJAX loading list of predicates of specific tag
+ add : jqTagTree.db.class.php renamed from db.php, added comments, moved queries from php files to split data layer from presetation layer and added queries for predicates
* modify : addNode.php - added support for adding predicates
* modify : style.css - added comments and styles for uri width
* modify : jquery.jqTagTree - added support for predicates
* modify : constants.php - added comments
* modify : index.php - added comments, selectbox javascript and css link
* modify : delNode.php - added comments
* modify : editNode.php - added comments
* modify : added comments and support for showing predicates