Fix tests, all tests go green. Working on the role repository tests.
Working on role update and role delete tests.
Fix delete cascade on roles. Add tests to the deleteRoleByName on RoleRepository. Fixes #30.
Merge branch 'hotfix-cascade-on-delete-permissions-and-roles' of https://github.com/julianespinel/node-express-sequelize-boilerplate into julianespinel-hotfix-cascade-on-delete-permissions-and-roles

Conflicts:
	app/business/PermissionBusiness.js