Added recipe for ankle holster

Half the cost of a holster or sheath and requires survival rather than
cutting or pistol. This seemed sensible as it's a small utility
holster that can hold either a small knife or a small pistol
Made BELTED foot items not count as shoes

This means you can wear an ankle holster at the same time as footwear,
as otherwise BELTED wouldn't do anything on a foot slot.

It also means that now if you're running around wearing nothing on
your feet but socks and an ankle holster you get the "no shoes"
movement penalty.
Fixes ethanol burner crash
On hack fail, only shutdown computers next to player
Change RAPID speed_mult to 0.75
Mainly for farming, show plantname when examining a square fo terrain.
Merge branch 'ethanol_burner_fix' of https://github.com/reverieAlice/Cataclysm-DDA into merge
Merge branch 'bootstrapping-bootstraps' of https://github.com/rluddy/Cataclysm-DDA into merge
Merge branch 'fix-computer-shutdown' of https://github.com/vidarsk/Cataclysm-DDA into merge
Fix typo

I think the speed's OK, but the syntax was missing something.  ;-)
Merge pull request #7878 from jeremyosborne/plant_names

Show plant names when x-amining the terrain
Provides a bottom limit of zero to carrying capacity, both weight and storage.
Merge pull request #7879 from KA101/centipede

Fix typo
New mod pack - no energy weapons/coilguns.
Name fix.
New mod pack - no powered armor.
Rapid speed_mult to 0.5, bash_mult and cut_mult to 0.66

I also missed all the martial art versions of rapid due to the original commit being made at 2 AM. Fixed that.
Fixes spelling error in debug message.

How pedantic can you get, right?
Reversion to 'metal' from 'metallic'

Suggested by Dunkhan here: https://github.com/CleverRaven/Cataclysm-DDA/pull/7869
Prevent future crashes similar to ethanol burner one.

Added catch for std::out_of_range in itype::can_use to prevent the
game crashing when attempting to test for an invalid iuse name.

Now it instead prints a debug message and returns that the item
doesn't have that use (and since it's an invalid iuse name, the item
indeed does not have that use!)