Warning about deprecated module manifest member should be suppressed. #138

When a module manifest contains 'ModuleToProcess' the warning

WARNING: The module manifest member 'ModuleToProcess' has been deprecated. Use the 'RootModule' member instead.

shows up.

If the module is targeting PowerShell version 2 then changing 'ModuleToProcess' to 'RootModule' will break the module.

This warning should be suppressed when the module is targeting PowerShell version 2.