HoS Beret + Warden Drill Hat

From my old PR: https://github.com/tgstation/-tg-station/pull/5794

I decided to bring back this PR since the other PR's that added content/touched the relevant files were merged.

Same business as before, however per popular feedback now the Warden has been given the HoS's former Drill Hat (Adjusted to use the Warden's Hat's protection values of course).

Images for note, including new images showing how they match up with Paprika's new sec gas mask change.

(Note: The filename for the HoS Drill hat has been changed from "hosdrill" to "wardendrill")

Old HoS Normal
![](https://cloud.githubusercontent.com/assets/6595389/4968162/c7b0bde6-6835-11e4-9c05-4bd4f06a1274.png)

Old HoS Alternative
![](https://cloud.githubusercontent.com/assets/6595389/4968163/c9f33a5c-6835-11e4-9ca8-10ba31a61fe9.png)

Old HoS WAR
![](https://cloud.githubusercontent.com/assets/6595389/4968177/c0b792ca-6836-11e4-8cdc-df4cb3691ac2.png)

New HoS Norm/Alt + New Sec Mask & Jacket's
![screenshot 2014-11-16 22 31 22](https://cloud.githubusercontent.com/assets/6595389/5061792/41d0a37e-6de1-11e4-9942-ee36ee46eabc.png)

Thank you.