Allow non-translators to sign up

Change-Id: I0f09771d0eef58c238f0260c7bd1747145bbcc8d
Make the number of project tiles a variable to avoid magic numbers

Change-Id: Ie06ce33cfab19380dfa4ba38eca5ec2b2f682e39
Localisation updates from http://translatewiki.net.

Change-Id: I5c8f8a543d094f386742ad6fbfa7002409cc60e7
Merge "Allow non-translators to sign up"