Trivial Fixes for 'sub_project.rst' devref document
Trivial Fixes for 'sub_project.rst' devref document

Below changes are done for better clarity:
* Re-arranged project list lexicographically
* Added launchpad details
* Added PyPI details
* Corrected service support

Change-Id: I99073d258849107670f0184ac95b317bb436f3d3

noironetworks/neutron,cloudbase/neutron,igor-toga/local-snat,mahak/neutron,igor-toga/local-snat,eayunstack/neutron,bigswitch/neutron,sebrandon1/neutron,openstack/neutron,mahak/neutron,openstack/neutron,cloudbase/neutron,bigswitch/neutron,mahak/neutron,huntxu/neutron,eayunstack/neutron,openstack/neutron,sebrandon1/neutron,huntxu/neutron,noironetworks/neutron