PITHIA-NRF e-science center final release

This deliverable will be the final release of the PITHIA-NRF e-science center and its corresponding documentation. This release will consider the feedback from the user community following the second release and will include components enhanced and further developed based on this feedback and operation experience. The deliverable will describe the final production ready state of the PITHIA-NRF e-science center and its deployment and operation on the EGI cloud.