basic auto sort for completed/incomplete tasks.
reworked markup to prepare it for sortable.
sorting implemented
new tasks go to the top of the list.
added handle to move tasks.
added and configured icheck
removed redundant change listeners for checkboxes
bower xeditable
added xeditable. still to update models
persisting editable tasks.
added pnotify notifications.
added dummy navbar
added donate button. some styling fixes.