* Workaround Microsofts syntactic PSModulePath
The default user PSModulePath is "$env:USERPROFILE\Documents\WindowsPowerShell\Modules". I the user env variable PSModulePath actually exists the default path is omitted - so we need to explicitly add it.
Removes extra 'ERROR' in text where the `error` method is used.
Converts some `write-host "error message"` to use the `error` method
Converts some `write-host "error message"; exit 1` to use the `abort`
method.
krokofant