Alliance linked to PositionApplication
Index listing and creation for alliances
Alliances in the main navigation
Latest version of Uniform.js

Fixes prop('checked', true) not working.
Validation for checking that all applications belong to the selected call
Integration test for alliance creation
letter_opener gem
Gritter gem for adding notifications in the UI
Seed.rb updated to match reality
Alliance confirmation and email
Alliance confirmation translations
Association between Alliance and PositionApplication moved to own model AllianceMembership
Styling for the alliance notifications
Modal showing the details of one alliance
Capybara screenshot gem updated
Translation changes