small performance optimization: in place of hiding ALL columns then unhiding those we want to pin... we now skip the ones we want to pin and hide all the rest. Effectively looping over less elements and causing fewer reflows because of the decreased number of DOM interactions
fixed issue #1
adding new CSS rules to prevent cell content wrapping
updating the example to:
     - newest version of backbone, underscore and jQuery
     - adding a viewport meta tag and some other meta tags
creating a new prod-ready distribution
bumping version number and fixing a type-o