Updated lots of stuff on create user account tab. Closes Issue #11
file renamings
tell user that they must enter email address if want to sign up for listservs (closes Issue #36)
some light styling/CSS consolidation
privacy policy icon and popup dialog (closes Issue #4). The popup has just lorem ipsum currently, pending the privacy policy verbiage from Jeff
privacy policy icon and popup dialog (closes Issue #4). The popup has just lorem ipsum currently, pending the privacy policy verbiage from Jeff