Commit progress on plugin refactor
Use Wysihtml5 version 0.4.0pre
Add clear method, WYSIWYG styles, HTML parser, and button text
Merge branch 'master' of github.com:kasperisager/vanilla-wysihtml5

* 'master' of github.com:kasperisager/vanilla-wysihtml5:
  Update LICENSE.md

Conflicts:
	LICENSE.md