Formatted Client for PSR-2 and Moved Exception to its own class file
Merge pull request #4 from dantudor/PSR

Formatted Client for PSR-2 and Moved Exception to its own class file
PSR-2 formatting for Commands
Merge pull request #5 from dantudor/PSR

PSR-2 formatting for Commands
Add scrutinizer-ci
Add issue tracker
Merge branch 'develop' of github.com:PredictionIO/PredictionIO-PHP-SDK into develop