Sixth batch for post 2.8 cycle

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

Documentation/RelNotes/2.9.0.txt

@@ -80,6 +80,10 @@ UI, Workflows & Features
    such a case, and allows the users to override it with a new option,
    "--no-expand-tabs".
 
+ * "git send-email" now uses a more readable timestamps when
+   formulating a message ID.
+   (merge f916ab0 ew/send-email-readable-message-id later to maint).
+
 
 Performance, Internal Implementation, Development Support etc.
 
@@ -213,6 +217,43 @@ notes for details).
    branch we locally checked out).
    (merge 95c38fb jk/branch-shortening-funny-symrefs later to maint).
 
+ * A partial rewrite of "git submodule" in the 2.7 timeframe changed
+   the way the gitdir: pointer in the submodules point at the real
+   repository location to use absolute paths by accident.  This has
+   been corrected.
+   (merge 1f15ba1 sb/submodule-helper-clone-regression-fix later to maint).
+
+ * "git commit" misbehaved in a few minor ways when an empty message
+   is given via -m '', all of which has been corrected.
+   (merge 27014cb ad/commit-have-m-option later to maint).
+
+ * Support for CRAM-MD5 authentication method in "git imap-send" did
+   not work well.
+   (merge eb94ee7 ky/imap-send later to maint).
+
+ * Upcoming OpenSSL 1.1.0 will break compilation b updating a few APIs
+   we use in imap-send, which has been adjusted for the change.
+   (merge 1245c74 ky/imap-send-openssl-1.1.0 later to maint).
+
+ * The socks5:// proxy support added back in 2.6.4 days was not aware
+   that socks5h:// proxies behave differently.
+   (merge 87f8a0b jc/http-socks5h later to maint).
+
+ * "git config" had a codepath that tried to pass a NULL to
+   printf("%s"), which nobody seems to have noticed.
+   (merge 1cae428 jk/do-not-printf-NULL later to maint).
+
+ * On Cygwin, object creation uses the "create a temporary and then
+   rename it to the final name" pattern, not "create a temporary,
+   hardlink it to the final name and then unlink the temporary"
+   pattern.
+
+   This is necessary to use Git on Windows shared directories, and is
+   already enabled for the MinGW and plain Windows builds.  It also
+   has been used in Cygwin packaged versions of Git for quite a while.
+   See http://thread.gmane.org/gmane.comp.version-control.git/291853
+   (merge e53a64b ad/cygwin-wants-rename later to maint).
+
  * Other minor clean-ups and documentation updates
    (merge aed7480 mm/lockfile-error-message later to maint).
    (merge bfee614 jc/index-pack later to maint).
@@ -230,3 +271,6 @@ notes for details).
    (merge 8e9b208 js/mingw-tests-2.8 later to maint).
    (merge d55de70 jc/makefile-redirection-stderr later to maint).
    (merge 4232b21 ep/trace-doc-sample-fix later to maint).
+   (merge ef8c95e ew/send-email-drop-data-dumper later to maint).
+   (merge 24041d6 jc/xstrfmt-null-with-prec-0 later to maint).
+   (merge 7bec7f5 jk/use-write-script-more later to maint).