Support for OpenSuSE 13.1 32bit / 64bit added

Needed packages for OpenSuSE & SuSE Linux Enterprise Server & added the respective opscode bento images & some minor adjustments to the build process.

Note that currently the URL for pyyaml needs to be adjusted to the following due to pyyaml.org downtime:
`http://pkgs.fedoraproject.org/repo/pkgs/libyaml/yaml-0.1.4.tar.gz/36c852831d02cf90508c29852361d01b/yaml-0.1.4.tar.gz`