The version number should respect a specific format.

For more info: https://www.npmjs.org/doc/misc/semver.html
Fix errors in Gruntfile.js and add some missing files
Rename source file.

This way will be more consistent with the minified version and will make easy to understand that this is a jQuery plugin.
Merge pull request #1 from tiagox/master

Update grunt tasks and some other organization matters.