Extension X-editable for Bootstrap3

Hey guys,

I've implemented a wrapper for the famous In-place editor. Would be niceif you can have a look at it.

http://vitalets.github.io/x-editable/index.html
please use "x-editable-bootstrap/current/js/bootstrap-editable.js", then the only thing we need to do when updating  `x-editable` is changing the pom.