Fix live_stream for windows

The windows module was looking to write stdout to live_stream
instead of live_stdout.
The process no longer inherit LC_ALL from the parent. Update spec to refelect that.

This fixes a spec that was broken on Windows by 767ea4fc19cb29a55a81a55d1a13643ae3108f4c
from PR https://github.com/opscode/mixlib-shellout/pull/58

It seems the Unix spec was updated to reflect this change, but the Windows was not
Added appveyor yaml
Add ruby 2 to appveyor yaml

cleanup copy pasta errors
Merge pull request #81 from opscode/jdm/test-fixes

Get specs to pass on windows