[development] Even more flexibility in content management

[Moshe Weitzman]

> It should also be noted that in 5.x one can go to admin/user/roles and
> edit permissions on a per-role basis. 

thats in 4.7 (and earlier) too.

> 
> Another implication is that it might be helpful to edit permissions on a
> per-module basis (i.e. across all roles). Maybe we could add links to
> this in the status message when enabling a module (or modules).

you kind of have these links on admin/by-module