Fix registration layout

Signed-off-by: Frca <killerfrca@gmail.com>
Fix bottom padding of Exam view on hdpi devices

Signed-off-by: Frca <killerfrca@gmail.com>
Update exam views

Signed-off-by: Frca <killerfrca@gmail.com>
Fix back function on slidable devices

Signed-off-by: Frca <killerfrca@gmail.com>
Load ViewProviders asynchronously  to increase performance

Signed-off-by: Frca <killerfrca@gmail.com>
Fix possible crash

Signed-off-by: Frca <killerfrca@gmail.com>
Corretly update exam location

Signed-off-by: Frca <killerfrca@gmail.com>