Prevent debug spam on expected failures of item spawn.
reverts an ill-advised adjustment to item volume
Merge pull request #3045 from wito/september-fixes

Make volume consistent again.
Remove unused bionic fake ammos.
Use unified ammo and gun effects in shoot_monster().
Apply bounce effect on hit whether it does damage or not to avoid infinite loops when the shot cannot damage a target.
Merge branch 'pr/3023'
changed from debugmsg to dbg(D_INFO)
Merge branch 'pr/3050'
Merge branch 'pr/3023'
Merge branch 'master' of https://github.com/CleverRaven/Cataclysm-DDA