add user

Netinfo utility has been removed from Mac OS X 10.5 (Leopard). You must now use the dscl command line utility.

• see postgresql link below

• http://www.postgresql.org/docs/8.3/interactive/postgres-user.html
• (pre-Leopard) http://developer.apple.com/documentation/Porting/Conceptual/PortingUnix/additionalfeatures/chapter_10_section_9.html
• http://en.wikipedia.org/wiki/NetInfo