fallthrough for MilFood

Makes the rations a bit more likely, I believe.
Don't show the sound indicator while deaf.
Fix fancy eyewear.
Merge pull request #4762 from ianestrachan/no-deaf-sound-indicator

Don't show the sound indicator while deaf.
Heavy Weapons Ammo

Now there's a better chance that the batteries'll be included.  ;-)
mossberg 500 (pump shotgun) now has burst: 0 instead of burst: 3
Merge pull request #4765 from KA101/MilHW

HW ammo
Merge pull request #4764 from yobbobanana/fancy_eyes

Fix fancy eyewear.
Merge pull request #4767 from swwu/fix-mossberg

Fix Mossberg 500 having burst: 3
Merge https://github.com/CleverRaven/Cataclysm-DDA into creature-rework
fixed remove_effect segfault, added a debug item
player now uses onfire effect over disease, effects show up in @ screen