Basic index.html structure

Basic index.html structure with header, main and footer.
Added bootstrap and jQuery

Added bootstrap and jQuery dependencies locally.
Added static header

Added static header. @see
http://getbootstrap.com/examples/navbar-static-top/
Added form for code authentication.

Added form, input and select for code authentication.
Added bootstrap-select

Added bootstrap-select for better html tag <select> ui.
@see http://silviomoreto.github.io/bootstrap-select/
Added AJAX request for code authentication

Added AJAX based POST request to server for code authentication. Added
questions as JSON files.
Added alert for code error

Added bootstrap alert and animation for code error i.e. 404 unauthorized
error.
Added element rendering for evaluation's questions

Added element rendering for evaluation with carousel (previous and next
button) and swipe functionality for mobile device.
Added check/uncheck radio button customization

Added check/uncheck radio button customization.
Added progress bar

Added progress bar based on Nanobar. @see http://nanobar.micronube.com/
Revert "Added progress bar"

This reverts commit 0d676c6426807b18dfa1a2dfe6854bcb1b421bf8.
Added progress bar

Added progress bar based on Nanobar. @see http://nanobar.micronube.com/
Added localStorage functionality

Added localStorage functionality to store answers temporarily on client
machine and retrieve them back. @see
http://diveintohtml5.info/storage.html
Added css customization with @media tag

Added css customization with @media tag for mobile and desktop devices.
Added sessionStorage functionality

Added sessionStorage functionality to store and retrieve user code and
user language selection.
Added Beenden button callback

Added Beenden button callback with modified bootstrap alert.