Minor book config updates
Merge branch 'master' of https://github.com/cashaffer/OpenDSA
Clean up logo
Attempting to merge
Merge branch 'master' of https://github.com/cashaffer/OpenDSA

Conflicts:
	config/CS223.json
	config/T1061220.json
Readd config files
Properly merged config files
Moved registration page HTML to layout.html, moved the JS to opendsaMOD.js, improved the input validation, fixed some bugs and validation errors, tweaked the HTML and CSS for the login and registration boxes to look better, fixed the way the registration box is dynamically centered and added code to automatically log a new user in after successful registration
Fixed merge conflicts
Merge branch 'master' of https://github.com/cashaffer/OpenDSA
Added alt attribute to proficiency checkmark and warning icon, changed tab order on login popup box