Update scrutinizer and travis config.

Signed-off-by: crynobone <crynobone@gmail.com>
Use PSR-4.

Signed-off-by: crynobone <crynobone@gmail.com>
Simplify some driver.

Signed-off-by: crynobone <crynobone@gmail.com>
Additonal WIP.

Signed-off-by: crynobone <crynobone@gmail.com>
Merge branch '2.1'