Updated to Bootstrap 3
Merge pull request #19 from jacoborus/master

Updated to Bootstrap 3
Bump version and deps
Merge branch 'master' into gh-pages
Import boostrap 3
Fix preview button style
Merge branch 'master' into gh-pages
Update form class property to bootstrap 3
Add 'btn-toolbar' into header
Merge branch 'master' into gh-pages
Update custom icon into bootstrap 3 style