Added libwww-perl for cpan stuff.

Signed-off-by: Sandon Van Ness <sandon@inktank.com>
Make CPAN run at end of recipe.

Signed-off-by: Sandon Van Ness <sandon@inktank.com>
Make sure iscsi transport is loaded at boot.

Hoping it might fix eth0 not coming up sometimes.

Signed-off-by: Sandon Van Ness <sandon@inktank.com>
Write CPAN config in root user as well.

While ceph-qa-chef is normally ran as ubuntu user (stuff ran as
root via sudo) the environment is still ubuntu's home directory.

During preseed/imaging ceph-qa-chef is ran as root and thus we
need to write the CPAN config files for both ubuntu and root.

Signed-off-by: Sandon Van Ness <sandon@inktank.com>