Fix Unarmed Combat skillname
Merge pull request #7904 from kevingranade/disable-activate-to-wear

Disable wearing clothing when activating it.
Alter diazepam functionality re: tetanus.

Now diazepam suppresses the symptoms from manifesting for several hours
after consuming it. Antibiotics are needed to actually cure tetanus.
Diazepam also prevents the 'shakes' condition for its duration.
Merge pull request #7897 from kevingranade/fedora-hat-tip

Add hat-tipping to fedora, you're welcome vrs ;)
Create map::i_at_stacked() for stacking items in map
Gives mininukes a 50% larger blast radius.

Now they can actually take out about 3/4 of a house in one shot. Also
increased launcher range by 50% to compensate for the larger explosion.
Streamline block calculation and base damage blocking on logistic function.
Bracket sanity.
Change liquid volume to 1, fixes waterskins
Move blocks_left decriment before blocking.
Move block message after blocking occurs.
Extract calculation of block damage reduction from loop.
Bail out of block iteration if martial arts bonus absorbed the damage.
Record how much damage is blocked.
Describe how much damage was blocked in block message.
Add translation notes for block message adjectives.
Merge remote-tracking branches 'dda/pr/7907', 'dda/pr/7908' and 'dda/pr/7909' into dda-master

* dda/pr/7907:
  Alter diazepam functionality re: tetanus.

* dda/pr/7908:
  Gives mininukes a 50% larger blast radius.

* dda/pr/7909:
  Change liquid volume to 1, fixes waterskins
Slight rearangement of reading logic, and styling.
Move book reading completion inside player class.
Make some player methods private.