Rename ModuleCommand to ModuleCreateCommand
Add LoggerInterface (extends Psr\Log\LoggerInterface)
Add ModuleDebugCommand
Migrate from symfony 2.3.*@dev to 2.4.*@stable
Update copyright year
Add ServiceManager\Factory\ServiceListenerFactory (work in progress)
Update README.md
Merge remote-tracking branch 'upstream/develop' into develop

Conflicts:
	PPI/Console/Command/ModuleCommand.php
	PPI/Console/Command/ModuleCreateCommand.php
	src/Console/Command/ModuleCommand.php
	src/ServiceManager/Config/ServiceManagerConfig.php
Merge branch 'master' into 2.1-noiselabs
Merge branch 'develop' into 2.1-noiselabs
Upgrade to Symfony-2.5.*@stable
Move the PPI folder into src/
Rename PPI to src (supports PSR-4) and add the tests folder