Merge pull request #101 from opscode/adamedx/os-patch-workaround

Workaround broken OS patch KB2918614
Merge pull request #102 from opscode/adamedx/propagate-exit-code

Propagate remote command exit code to knife winrm exit code
Merge pull request #103 from opscode/adamedx/release-0-8-0-rc1

Update version for 0.8.0.rc.1 release