Fix eraser icon not working in FA5

README.md

@@ -288,7 +288,7 @@ code | toggleCodeBlock | Code<br>fa fa-code
 quote | toggleBlockquote | Quote<br>fa fa-quote-left
 unordered-list | toggleUnorderedList | Generic List<br>fa fa-list-ul
 ordered-list | toggleOrderedList | Numbered List<br>fa fa-list-ol
-clean-block | cleanBlock | Clean block<br>fa fa-eraser fa-clean-block
+clean-block | cleanBlock | Clean block<br>fa fa-eraser
 link | drawLink | Create Link<br>fa fa-link
 image | drawImage | Insert Image<br>fa fa-picture-o
 table | drawTable | Insert Table<br>fa fa-table

src/js/easymde.js

@@ -1231,7 +1231,7 @@ var toolbarBuiltInButtons = {
     'clean-block': {
         name: 'clean-block',
         action: cleanBlock,
-        className: 'fa fa-eraser fa-clean-block',
+        className: 'fa fa-eraser',
         title: 'Clean block'
     },
     'separator-2': {