CLC-645 - Test CalCentral in IE9+

https://jira.media.berkeley.edu/jira/browse/CLC-645

* IE9 - Fix the eternal redirect
* IE9 - Fix the unscheduled/scheduled/completed buttons
* IE9 - Fix the Connect/Disconnect buttons
* IE9 - Fix the Opt out button
* IE9 - Fix layout issue with lazanges 
* Put all of our JS lib(rary) code in a lib folder
* Update README to use <button instead of <a (IE9)