Fix for being able to create duplicate user with the same email address as one that already exists (ldap) from create form.
Fix for being able to create duplicate user with the same email address as one that already exists (ldap) from create form.

derDaywalker/dmptool,derDaywalker/dmptool,2015SebINF1340/dmptool,2015SebINF1340/dmptool,derDaywalker/dmptool,derDaywalker/dmptool,2015SebINF1340/dmptool