Update 1.7.6 draft release notes

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

Documentation/RelNotes/1.7.6.txt

@@ -6,7 +6,8 @@ Updates since v1.7.5
 
  * Various git-svn updates.
 
- * Updates the way content tags are handled in gitweb.
+ * Updates the way content tags are handled in gitweb.  Also adds
+   a UI to choose common timezone for displaying the dates.
 
  * Similar to branch names, tagnames that begin with "-" are now
    disallowed.
@@ -16,6 +17,15 @@ Updates since v1.7.5
 
  * The scripting part of the codebase is getting prepared for i18n/l10n.
 
+ * Pushing and pulling from a repository with large number of refs that
+   point to identical commits are optimized by not listing the same commit
+   during the common ancestor negotiation exchange with the other side.
+
+ * Adding a file larger than core.bigfilethreshold (defaults to 1/2 Gig)
+   using "git add" will send the contents straight to a packfile without
+   having to hold it and its compressed representation both at the same
+   time in memory.
+
  * Processes spawned by "[alias] <name> = !process" in the configuration
    can inspect GIT_PREFIX environment variable to learn where in the
    working tree the original command was invoked.
@@ -66,6 +76,9 @@ Updates since v1.7.5
    "--show-notes" option.  Unlike "--show-notes", "--notes=<ref>" does
    not imply showing the default notes.
 
+ * They also learned a log.abbrevCommit configuration variable to augment
+   the --abbrev-commit command line option.
+
  * "git ls-remote" learned "--exit-code" option to consider it a
    different kind of error when no remote ref to be shown.
 
@@ -93,10 +106,6 @@ Updates since v1.7.5
    still in a conflicted state during a merge, to avoid using information
    that is not final and possibly corrupt with conflict markers.
 
- * Compressed tarball gitweb generates is made without the timestamp of
-   the tarball generation; snapshot from the same tree should result in
-   a same tarball.
-
 Also contains various documentation updates and minor miscellaneous
 changes.
 
@@ -107,45 +116,16 @@ Fixes since v1.7.5
 Unless otherwise noted, all the fixes in 1.7.5.X maintenance track are
 included in this release.
 
- * Setting $(prefix) in config.mak did not affect where etc/gitconfig
-   file is read from, even though passing it from the command line of
-   $(MAKE) did.
-   (merge kk/maint-prefix-in-config-mak later)
-
- * The bash completion scripts should correctly work using zsh's bash
-   completion emulation layer now.
-   (merge fc/completion-zsh later)
-
- * The logic to handle "&" (expand to UNIX username) in GECOS field
-   miscounted the length of the name it formatted.
-   (merge rg/copy-gecos-username later)
-
  * The single-key mode of "git add -p" was easily fooled into thinking
    that it was told to add everthing ('a') when up-arrow was pressed by
    mistake.
    (merge tr/add-i-no-escape later)
 
- * "git cherry-pick -s resolve" failed to cherry-pick a root commit.
-   (merge jk/cherry-pick-root-with-resolve later)
-
  * "git config" used to choke with an insanely long line.
    (merge ef/maint-strbuf-init later)
 
- * "git diff --word-diff" misbehaved when diff.suppress-blank-empty was
-   in effect.
-   (merge jm/maint-diff-words-with-sbe later)
-
- * "git log --stdin path" with an input that has additional pathspec
-   used to corrupt memory.
-   (merge jc/maint-pathspec-stdin-and-cmdline later)
-
- * "git send-pack" (hence "git push") over smalt-HTTP protocol could
-   deadlock when the client side pack-object died early.
-   (merge js/maint-send-pack-stateless-rpc-deadlock-fix later)
-   (merge jk/git-connection-deadlock-fix later)
-
 ---
 exec >/var/tmp/1
 echo O=$(git describe master)
-O=v1.7.5.2-352-g4961210
+O=v1.7.5.3-365-g7eacc2b
 git shortlog --no-merges ^maint ^$O master