Merge pull request #150 from HackThis/settings

Moved profiles and relevant settings to Twig. Added websites option to settings. #85 #97
Removed default from gravatar
Added check for autologin cookie before trying to validate
Fixed syntax error in user class
Merge pull request #151 from HackThis/settings

Tweaked website settings to handle blanks
Merge pull request #152 from HackThis/settings

Changes to link layour on user profile
Merge branch 'master' of github.com:HackThis/hackthis.co.uk into settings
Added option to hide users from score/online lists
Added privacy controls