puzzles: refactor and resync with upstream

This brings puzzles up-to-date with upstream revision
2d333750272c3967cfd5cd3677572cddeaad5932, though certain changes made
by me, including cursor-only Untangle and some compilation fixes
remain. Upstream code has been moved to its separate subdirectory and
future syncs can be done by simply copying over the new sources.

Change-Id: Ia6506ca5f78c3627165ea6791d38db414ace0804
This commit is contained in:
Franklin Wei 2017-04-29 18:21:56 -04:00
parent 03dd4b92be
commit 881746789a
329 changed files with 27350 additions and 1043 deletions

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