Add shell_plugins to abstract shell-specific functions out of runner, add winrm connection plugin, add initial Windows modules.
Merge branch 'devel' into connection_plugin_refactor
Instantiate psobject directly
Use more simple check for existence of member
Remove stray FIXME
FIXME comment cleanup
Added comment about implementation line.
Add default license boilerplate, refactor common powershell code, fixes for raw/script modules.
Revise documentation on powershell module replacer code.