tagged version 0.9.1
Merged r3348 from trunk (version set to 0.9.1).
Updates for 0.9.1 release.
Merged r3346 from trunk.
Fixed: tests with ruby1.9 broken by r3322 (#4607).
Merged r3341 from trunk.
Merged r3343 from trunk.
Fixed: NOT NULL constraint error when adding a group (#4632).
Added and updated some more object daddy exemplars.
Use the minimum password length setting when reseting a password. (#4683)