Doubles charges-per-volume of ammonia and bleach.

As with a few PRs before, using 250 mL per 'dose' is a lot of chemical
at once.
make turned off chainsaw to normal chainsaw not combat chainsaw
Fixing elfa ear mutation exclusiveness (or lack there of)

It is weird to have more then one type of ear.
Merge pull request #5899 from Rivet-the-Zombie/chem-volume-adjustment

Doubles charges-per-volume of ammonia and bleach.
Merge pull request #5904 from BevapDin/fix-chainsaw

make turned off chainsaw to normal chainsaw not combat chainsaw
Merge pull request #5906 from Chase-san/patch-1

Fixing elfa ear mutation exclusiveness (or lack there of)