Fixed small typo including python-m2crypto
Changed argument on extract_archive.

This patch fixes the error 'Invalid parameter archivefile at /etc..'
Fixed m2crypto url variable
Merge pull request #1 from luisfdez/bug/m2crypto-include

Fixed small typo including python-m2crypto
Merge pull request #2 from luisfdez/bug/commands-extract-archive

Changed argument $::archivefile to $archivefile on extract_archive
Merge pull request #3 from luisfdez/bug/m2crypto-url-typo

Fixed m2crypto url variable