table pwdreset & sequence & index & constraints & privileges
 version of DB
Merge pull request #330 from zoraseb/ver_3.1.10

table pwdreset & sequence & index & constraints & privileges
GUI: do not display "null" in user and member tables for attributes

- Display empty string instead of "null" in user and member
  tables in GUI to look more pleasant.
Merge pull request #331 from zlamalp/gui

GUI: do not display "null" in user and member tables for attributes