urls and docs update
don't let folks select the checkboxes, radios, or files
typo
clean and ads
drop unicode chars for open iconic icons, embedded via base64 svg
Merge branch 'gh-pages'

Conflicts:
	_config.yml
	_includes/footer.html
	_layouts/default.html
	docs.css
	index.md
	wtf-forms.css
update docs for new icons