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.
Propperly remove empty lines when options are hidden.
Make some melee miss explanations more interesting
Improve more melee miss explanation messages.
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