Implemented Compressor Throughout Servlets

- Extended HTMLCompressor class to maintain static compressor object for
general usage and added HTMLCompressor dependencies to compress JS and
CSS
- Minor changes to PropNames class (making data static)
- Minor changes in JS in data.html found on SO (YUI threw error)
- App Engine SDK updated through Eclipse (theoretically no real changes)
- Added new method to Student object (to be utilized later)
Bugfix in Password Reset Functionality

- Fixed bug in password reset servlet that sent reset email to wrong
place
- Changed finding absolute URL to be more accurate
- Enforced same password requirements in password reset as registration
- Fixed minor misspelling