Merge branch 'gh-pages'
Update README.md
added line break (474) chicken-beaks (475) and paragraph (476), preview page needs updating props @melchoyce
added bbPress logo
Add classes for break, code, and paragraph.

Add dashicons-editor-break (line break), dashicons-editor-code, and dashicons-editor-paragraph.
Merge pull request #18 from nacin/patch-1

Add classes for break, code, and paragraph
Adding font-smoothing rule for firefox

Firefox was showing the font bolder than it should be
Merge branch 'master' into gh-pages