Evaluation classes (start)

Signed-off-by: Thiago Costa Porto <thiagocostaporto@gmail.com>
Merge branch 'develop' of 130.238.15.219:/home/git/repositories/frontend into develop
fixed duplicated method calls
changed timeouts
added synchronized to database
Merge branch 'develop' of 130.238.15.219:/home/git/repositories/frontend into develop
Merge branch 'develop' of 130.238.15.219:/home/git/repositories/frontend into develop
fixing fixing..
bluetooth discovery timeout
added color bar for search
changed instantiation of HttpClient client
changed black to grey
Merge branch 'develop' of 130.238.15.219:/home/git/repositories/frontend into develop
Adding list of websites generator

Change-Id: I5ed5a1d8c5edab6f46170f41cd2fe9efa882b154
Removed constructor for array of strings in Metadata. Unused, and it was
wrong. Instead of fixing it, I decided to remove it, as we shouldn't
support code that is not relevant to us.

Signed-off-by: Thiago Costa Porto <thiagocostaporto@gmail.com>
added icons