Allow plaintext password.

- You have to flip a variable with the word "secure" in it to false to use the added code
- This will cause puppet to transmit a ps1 script with a plaintext password in it to the client
- People were going to make this mistake anyways, but it wouldn't have worked.
- There might be a better way to do this, but I think it would crap up the code all just to please lazy devs
- TLDR: if you want security, run the added command locally and use that string rather than a plaintext password!