Changelog for puzzles: 0.0+git -> 0.0+git

ea09098 Mines: rewrite the blurb for the Javascript puzzle page.
428913c Mines: rename 'cyclic' grids to 'wrapping'.
7914338 Mines: Fix the needlessly large right margin for Triangular cyclic grid.
3b117ab Mines: show arrows to indicate a cyclic grid.
a33f458 Mines: fix a typo in a diagnostic.
38e7ea3 GTK: fix build with Gtk2 (focus_on_click).
515c8a4 GTK: fix Gtk2 warning/error from missing static.
43eefe8 Web puzzles: provide some <noscript> text.
a683d27 Mines: fix cursor control on rectangular square grids.
d385acc Mines: allow mine count to be stored as a proportion.
2659085 Dominosa: ensure gutter between dominoes is nonzero.
e67daaa Support C implementations where malloc(0) returns NULL.
b30838a Use /std:c11 when compiling with MSVC.
8b36325 Add -Werror=vla when building with -DSTRICT=ON.
d82dbb1 Make a click outside the grid hide the cursor.
d324fe9 Mines: support play on a wide range of grid shapes.
aa4cd48 New grid type, internally named 'Octagonal2'.
3855a39 Mines: preference to highlight flags when clicking to clear.
fc9c4ab Mines: fix double-increment of nperturbs.
7c79620 Mines: remove validation check on the mine count.