Edit the descriptions of the AuthorizationCodeScope objects.

The BASIC scope refers now to "read-only" access while the FULL scope allows
writing, too.

Signed-off-by: Marios Sotiropoulos <mai1211@uom.edu.gr>
Add a title above the produced slide-show.

Signed-off-by: Marios Sotiropoulos <mai1211@uom.edu.gr>
Remove unused links from the Client demo template.

Signed-off-by: Marios Sotiropoulos <mai1211@uom.edu.gr>
Style the demo's home page with Bootstrap.

Signed-off-by: Marios Sotiropoulos <mai1211@uom.edu.gr>
Fix the title of the demo home page.

The title now reads "Demo | Client", instead of "Demo 1 | Client" that it did.

Signed-off-by: Marios Sotiropoulos <mai1211@uom.edu.gr>
Display errors in demo's home page.

Signed-off-by: Marios Sotiropoulos <mai1211@uom.edu.gr>
Read album name from the demo home page's form.

Signed-off-by: Marios Sotiropoulos <mai1211@uom.edu.gr>
Update the slide-show page of the demo.

The following changes were made:

 - A top navigation menu was added.
 - Titles to the slides were added.

Signed-off-by: Marios Sotiropoulos <mai1211@uom.edu.gr>
Normalize the error responses of the ResourceController.

Signed-off-by: Marios Sotiropoulos <mai1211@uom.edu.gr>