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 logo

Logo is now clickable and will take you to the of
http://24pullrequests.com/dashboard.
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
Merge pull request #374 from KevinSjoberg/fix-logo

Fix logo