A bunch of micro-fixes before going 2.18 final

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/RelNotes/2.18.0.txt

@@ -523,6 +523,13 @@ Fixes since v2.17
    packfile available to itself.
    (merge 3737746120 jk/index-pack-maint later to maint).
+ * Make zlib inflate codepath more robust against versions of zlib
+   that clobber unused portion of outbuf.
+   (merge b611396e97 jl/zlib-restore-nul-termination later to maint).
+
+ * Fix old merge glitch in Documentation during v2.13-rc0 era.
+   (merge 28cb06020b mw/doc-merge-enumfix later to maint).
+
  * Other minor doc, test and build updates and code cleanups.
    (merge 248f66ed8e nd/trace-with-env later to maint).
    (merge 14ced5562c ys/bisect-object-id-missing-conversion-fix later to maint).
@@ -559,3 +566,7 @@ Fixes since v2.17
    (merge f156a0934a rd/p4-doc-markup-env later to maint).
    (merge 2a00502b14 tg/doc-sec-list later to maint).
    (merge 47cc91310a jk/submodule-fsck-loose-fixup later to maint).
+   (merge efde7b725c rd/comment-typofix-in-sha1-file later to maint).
+   (merge 7eedad15df rd/diff-options-typofix later to maint).
+   (merge 58ebd936cc km/doc-workflows-typofix later to maint).
+   (merge 30aa96cdf8 rd/doc-remote-tracking-with-hyphen later to maint).