HackerWins/summernote — pull request #257 by jginfo (2014-02-22 16:36:03+00:00)
Title: Add buttons toolbar sup, 'sub' , 'strike' part 4

1) Add buttons toolbar 'superscript' and 'subscript'
2) Finalize button toolbar 'strikethrough'

ex: ['font', ['bold', 'italic', 'underline', 'strikethrough', 'superscript', 'subscript', 'clear']],