Ignore CVE number on the commit message

See:

https://github.com/rails/rails/commit/2392535f4085d88186097e3c23414e958fb1d16d
https://github.com/rails/rails/commit/afcd01bf25c0d7742d07b10dd8a465cffef4b9fe
https://github.com/rails/rails/commit/10f0e6fe749d818c2d1296c04665a98345029b80
Require Test::Unit Railtie to make possible to run the tests
Since we are not using Action Mailer we don't need to configure it.

This will make possible to start the application