Added jquery.confirm.bs3.js to be used with bootstrap 3
Added demobs3/index.html to demonstrate de use of the jquery.confirm.bs3.js library
Added minified version of jquery.confirm.bs3.js
Renamed the original library and its minified version to clarify
which one to use according to the bootstrap version.

jquery.confirm.js renamed to jquery.confirm.bs2.js
jquery.confirm.min renamed to jquery.confirm.bs2.min.js
Merge pull request #10 from RusselVela/master

jquery.confirm with bootstrap 3