Fix missing 'end' marker in spawn.lua.
Fix many SYN_CLASS tags from forward-slashes to backslashes.
Remove unused and possibly non-operational BLOWGUN_L* inorganics

I'm not sure these would ever work, they have funny names, and
they're not referenced anywhere else.
Merge branch 'master' into dfhack_r4

* master: (53 commits)
  Remove unused and possibly non-operational BLOWGUN_L* inorganics
  Fix many SYN_CLASS tags from forward-slashes to backslashes.
  yoink-master.pl: Remove settings branch from auto-merge.
  Orc merchant fixes
  Merchant shop fixes
  more syndrome name fixes
  fix for biology/speech syndrome names
  fix for white/black altar missing reactions
  lint-raws.pl: Detect undefined and unpermitted reactions.
  yoink-master.pl - Return to current branch. Prettier graphs on github.
  yoink-master.pl - Distribute master patches to all active branches.
  Fix 'separate bone' bolt-making reactions. Thanks to GTrax.
  Rebalance: Medicine produces five units from two plants.
  Set previously missing YESTREE on BLACK_CAPs in ASCII tileset
  Add missing braces around INVERTED TILE in masterwork tilesets and Obsidian Soul
  Normalise tilesets with formatting of harder invaders.
  Fix missing brackets on INVERTED_TILE tags
  raw changes for new options
  updated raws and new civ options
  Add README.md
  ...

Conflicts:
	Dwarf Fortress/raw/objects/inorganic_zmasterwork_2.txt
Merge branch 'dfhack_r4' into drowfort

* dfhack_r4:
  Remove unused and possibly non-operational BLOWGUN_L* inorganics
  Fix many SYN_CLASS tags from forward-slashes to backslashes.
  Fix missing 'end' marker in spawn.lua.