update config.yml, move to smartform folder
Create gh-pages branch via GitHub
update folder structure again for gh-pages
update doc
update doc
update annotation
update annotation
add class .visited for visited field
update readme
fix 2 click issue with submit button

when a field is in focus, click on submit button requires an additional
click, because the first click to blurs the field,  second click is the
one actually trigger the click event on the submit button
revert the double click fix due to content is hidden after validated, and the button shifted up
Merge branch 'master' into gh-pages