correcciones de algunos textos en catalan y traduccion de en.yml
fixes in devise.ca.yml
added language selection in home. Created base static page per language
Let user choose language
devise working in english and translations for home cat and engl
red background inactive users. Add a user redirects to user list
Created rspec tests for global controller and fixed two defects
fixed comments on tests
fixed issue setting up right language
Added rspec tests using capybara
All tests are successful again
Added tests for offers
Added tests for users, some still failing
Merge pull request #61 from coopdevs/languages_cont

Languages cont:

- Locale support and translations to spanish, catalan and english
- User creation now redirects to user list (/members)
- Deactivated users show with red background in list
- RSpec tests all existing ones are passing now again
- Includs Stub for browser locale simulation and added Capybara for flag selection test and redirection