Add stream support  into ResourceLocator::addPath()
system.yaml updates and synchronization
Fail gracefully when theme does not exist
Merge remote-tracking branch 'origin/develop' into develop
Fixes and reformatting of blueprints
Merge branch 'develop' into feature/gpm
Folder::mkdir is now public
Added GPM docs
Fixed GPM cli to run the locator
Response cleanup and more docs
Fixed static method call for `all` in GPM Plugins
Themes now can get initialized by themselves!
PSR cleanup
Added new Installer class
Fixed InstallCommand to use the new Installer class