cancan replace cancancan
Change rails version to ~> "4.0"
Move dependancies to gemspec
Move layout to dummy app
Update gemfile.lock
submit/accept/refuse/cancel actions are now patch actions
Fix form error
Cucumber step simplification
Cucumber steps optimization + views edit
Separate factories in different files
Add factories spec
Better total tests
Refactoring/regrouping expenses state tests
Use FactoryGirl to build expenses and expense_lines
Use FactoryGirl to build categories
Delete download expense scenario
Create cancan ability and secure all actions
Delete users related step + pass new scenarios