Update user data in db/seeds.rb

Currently `User#provider` is set to 'github'. In order for users to work
in development we need to specify 'developer2' as the provider.
Merge pull request #372 from KevinSjoberg/fix-seed-data

Update user data in db/seeds.rb
Update es.yml

change en -> es, overrides english translations!
Fix whitespace and inconsistency issues in CSS code
Fix issue with social icons crashing on homepage
Use a random users token for downloading pull requests

Avoids the case of expired tokens
Fixed ForbiddenAttributes error in gift controller
Merge pull request #375 from simonowendesign/master

Clean up CSS code and fix issue with icons crashing on homepage
resolve conflicts
Add greek language!
ability to set locale
fix authorisation issue when changing locale
don't take up space, when user is not logged in
resolve merge conflicts
translate homepage and information page in greek
make Spanish available, fix issue with homepage variable