Interfaces: allow numeric characters in stanza options
Yum: add yum-cron*.conf files
Shellvars: support all types of quoted strings in arrays

Patch from webmeister.  Fixes ticket #357.
Samba: permit asterisk in key name

Fixes ticket #354
Access: support DOMAIN\user syntax for users and groups

Fixes ticket #353
Koji: new lens to parse Koji configs
Postfix_Main: handle stray whitespace at end of multiline lines

Fixes ticket #348
Grub: handle makeactive menu command

Fixes ticket #340
Add aug_cp and the cp and copy commands