Implemented edit account feature and closed #23.
Merge pull request #26 from henriquecf/23-user-can-edit-account

Implemented edit account feature and closed #23.
Removed duplication in invoices controller spec.
Merge branch master
Implemented group show feature.
Implemented list groups feature.
Merge branch master
Fixed failures in groups controller.
Removed group restriction from invoices controller
Merge branch master
Corrected wrong name field in devise registrations form