adds ham radios (#181)
adds ham radios (#181)

* -replaces icons and adds some in icons.dm

* Fixes a typo

* Fixes a typo

* adds milkor and ham radio sprite, replaced grenade launcher sprite with milkor

* Update briefcase.dm

* adds ham radios into the intercom code

* fixing previous push sorry with ham radio

* Makes the hamradio a child of the intercom

Drymouth-Gulch/Drymouth-Gulch,Drymouth-Gulch/Drymouth-Gulch,Drymouth-Gulch/Drymouth-Gulch,Drymouth-Gulch/Drymouth-Gulch