Minor updates to angularjs.rst
Minor updates to angularjs.rst

- Remove link to NG Users table patch, instead
reference NG Images table as go-to standard
- Update some file locations/ names that changed

Change-Id: I26e9652eb3c18273a2c5193c5344ba3d7f56e576

NeCTAR-RC/horizon,openstack/horizon,BiznetGIO/horizon,openstack/horizon,bac/horizon,bac/horizon,openstack/horizon,yeming233/horizon,NeCTAR-RC/horizon,ChameleonCloud/horizon,ChameleonCloud/horizon,ChameleonCloud/horizon,BiznetGIO/horizon,BiznetGIO/horizon,BiznetGIO/horizon,yeming233/horizon,NeCTAR-RC/horizon,bac/horizon,ChameleonCloud/horizon,noironetworks/horizon,bac/horizon,yeming233/horizon,NeCTAR-RC/horizon,noironetworks/horizon,noironetworks/horizon,noironetworks/horizon,openstack/horizon,yeming233/horizon