* Moved some scriptlets to the appropriate modules.
* Put the scriptlet that sets the default path at the start, since it
never makes sense not to have it there. It no longer needs to be
declared as a dependency.
* If a scriptlet has no dependencies, it can be denoted as a plain
string (i.e., `noDepEntry' is not needed anymore).
svn path=/nixos/trunk/; revision=23762
Now both polkit-1 and old policykit are enabled. Packages that can use both will
be migrated to new polkit-1, than old one can be disabled.
svn path=/nixos/trunk/; revision=21776
