Add dexterity nerfs as explanations for melee misses

The list of melee miss explanations is stored with the player now, and
added to when the effects on a player are applied each turn.
More spacing fixes.
Propperly remove empty lines when options are hidden.
Make some melee miss explanations more interesting
Improve more melee miss explanation messages.
Merge pull request #8399 from Rivet-the-Zombie/spacing

More spacing fixes.
Camping mess kit

Basic functionality and camping mess kit item
Merge branch 'options-hidden' of https://github.com/OzoneH3/Cataclysm-DDA into merge
More spacing fixes.
Propperly remove empty lines when options are hidden.
Merge branch 'melee-miss-explanations-dex' of https://github.com/Spferical/Cataclysm-DDA into dexmsg

Conflicts:
	src/disease.cpp
	src/melee.cpp

Hoping I got it right in melee.
Merge branch 'master' of https://github.com/CleverRaven/Cataclysm-DDA
Fixes the encumbrance-display bug

This one was just a display issue, courtesy of a copy/paste error.
Understandable in a project this size.
Merge pull request #8403 from KA101/limbs

Fixes the leg encumbrance-display bug
Add Spanish language to options
Mess kit recipe

Is contained in
Outdoor Survival Guide
What's a Transistor?
Advanced Electronics
Mess kit description fix
German update
NEW. Spanish translation.
French update