Incorporated change in NetSP, CSUG-Tutoring.

Network Status Page generalization reflected in renames of NetSP files:

csugnet.html -> netsp-csug.html
[created]    -> netsp-urcs.html
csugnet/     -> netsp/ [submodule path]

Incorporated latest CSUG Tutoring submodule changes.

Old changes to layout applied to balance.html (still doesn't work).

.htaccess adds redirect for csugnet.html -> netsp-csug.html.