Added some exceptions types.
Spring java based configuration.
Refactored user detail based on roles and permitions.
Spring security configurations and dependencies.
New config file for unit tests.
Added some static helpers.
New configurations file to all junit tests.
Login.
Fix login and logout implement.
User Dao's and services.
Permitions Dao's and services.
Role Dao's and services.
Persistent login to logout.
Departament view model.
Customized css and font styles.
Log can be stored on data base.
Log dao and service.
New styles.
Merge pull request #28 from inolabdev/login_and_roles

Login based on permissions and roles.