added options to add class names to span tags for potential SVG icon generation
re-inserted sa-open to demo second dt
changed the option names to include Class try to clarify its adding span classes
removing comment line
changed option class names to be more symantic
adding a remove class for default open item, just in case user erroneously puts wrong classes in their span tags
edited the plug in as per our convo on Friday, where an oninit function is called during init
changing src path back to dist in demo
renaming fn and removed duplicated code in callback fn
changing onInit name in Demo
Merge pull request #1 from ilanaseid/option-span-icon

Added functionality for adding class names to spans within dt tags (for SVG images and sprite icons)