Added code climate metrics

Signed off by: Diego Araújo <diegoamc90@gmail.com>
Kalibro Configuration model and controller

Signed off by: Diego Araújo <diegoamc90@gmail.com>
Merge pull request #1 from mezuro/configuration

Kalibro Configuration model and controller
Add ReadingGroup model and controller

Signed-off-by: Daniel Alves <danpaulalves@gmail.com>
Signed-off-by: Renan Fichberg <rfichberg@gmail.com>