Update Hyper-V Barclamp to Python 2.7.5 and local Python environment

Updated the Hyper-V Barclamp to use Python 2.7.5 and extract all Python modules from a local archive, with no need for internet connection.
Fixed pyopenssl dependency issue for SUSE Cloud 2.0
Merge pull request #268 from vuntz/fix-hyperv

Got smoketested and we had it in pebbles => merging.