- added php-resque for queue job and worker support
- removed all document_root dependencies (as that doesn't work in the queue-environment
- added project_root global variable for more robust setup
- some file-constistency fixed
- config referring paths are now starting in project-root
- inbox now does the heavy-duty on a queue
fix lots of phan errors, now we only have phan errors left from temporary implementations. These will be fixed in the next commits as we properly re-integrate and remove temporary-code
