Refactor Util namespace

Squashed commit of the following:

commit 789c528fcf
Author: Oliver Gorwits <oliver@cpan.org>
Date:   Mon Apr 1 19:31:07 2013 +0100

    update manifest and fix typo

commit b95d0951f2
Author: Oliver Gorwits <oliver@cpan.org>
Date:   Mon Apr 1 19:22:41 2013 +0100

    refactor ::Util namespace

commit a8dde50343
Author: Oliver Gorwits <oliver@cpan.org>
Date:   Sun Mar 31 13:45:27 2013 +0100

    no need to search for device - IP should already be exact

Netdisco/META.yml

@@ -19,6 +19,7 @@ no_index:
     - inc
     - share
 requires:
+  Algorithm::Cron: 0
   App::cpanminus: 0
   App::local::lib::helper: 0
   DBD::Pg: 0