Added support for radio buttons
Added :inline option to #check_box and #radio_button helpers
Refactored the way that is generated the div.control-group tag
Updated the #control_group helper

Added more control over the label element generated by it and reusing
the method inside the class avoiding duplicated code
Updated the #check_box and #radio_button helpers

They aren't automatically wrapped by the div.control-group anymore
#control_group accept options for the div.control_group tag
Fixed bootstrap_form_test file

Removed a line causing error (it was commited by mistake)
Merge pull request #6 from carloslopes/radios-and-checks

Wrapping #radio_button tag, new feature for #check_box and refactored some code
adding a 'secondary' submit button to complement the 'primary' button
updating README to reflect recent changes
tweaking readme and adding screenshots
more README tweaks. updating screenshots to use standard 'primary' color
version bump
just a few more README tweaks
adding contributors and udpating license