Head of Security Items Update

- HoS jacket can now be buttoned or unbuttoned with a verb.
- The HoS now only gets the jacket and hat he spawns with.
( I verified the HoS spawns with a jacket and hat no matter if they
latejoined or were HoS from the start of the shift)
Merge pull request #20 from SamCroswell/master

Head of Security Items Update