User Interface Modifications

- Switched to checkboxes instead of radio boxes for Yes/No questions
- Using legend in Contact Us form and slight modification to success
message and display
- Ensuring that "for" attribute of legend elements corresponds to input
element
- Added transitions to toggle checkboxes
- Fixed bug in admin panel that prevents password changes
- Footer displays as "never" generated if database contains no last
updated date for results
Added Sorting Functionality to Tables

- Data tables all across website now have sorting functionality by
clicking on headers using jQuery tablesorter plugin
- Changed header row in data templates to have <thead> for styling and
semantic purposes
- Added "never" generated functionality described in last commit to
missed page (schoolScores)