Merge pull request #12 from NikitaAvvakumov/implement_factory_girl

Implement factory girl
Add shoulda-matchers gem & require it in rails_helper.rb
Merge pull request #18 from NikitaAvvakumov/shoulda-matchers

Add shoulda-matchers gem & require it in rails_helper.rb
Delete empty admin_user_spec.rb & user_spec.rb; refactor sponsor_spec.rb & status_spec.rb; fix syntax in sponsor_type_spec.rb
Add HoundCI config
Clean up syntax
Add .ruby-gemset to .gitignore
New rake task to seed test db; Partners factory uses province from db; partner, sponsor, sponsor_type & status specs restructured & refactored to use factories and shoulda-matchers