Update for roles:

Update for roles:

< * Allow limits on per-db/user connections
> * Allow limits on per-db/role connections
< * Prevent default re-use of sysids for dropped users and roles
<
<   Currently, if a user is removed while he still owns objects, a new
<   user given might be given their user id and inherit the
<   previous users objects.
<
450c444
< * Add COMMENT ON for all cluster global objects (users, roles, databases
> * Add COMMENT ON for all cluster global objects (roles, databases
609c603
< 	  users and roles with separate DROP commands
> 	  roles with separate DROP commands