Added information about Sandbox environment to docs
Placed Sandbox info in Configuration section
Merge pull request #43 from advancingu/patch-1

Added information about Sandbox environment to docs
Fix autoload path
Add symfony/browser-kit as dev requirement
Add travis configuration
Remote notification configuration
Added 2.2 support
Merge pull request #55 from tristanbes/patch-1

Added 2.2 support
updates constraints
Merge remote-tracking branch 'schmittjoh/master'