Update draft release notes for 1.5.5

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

Documentation/RelNotes-1.5.5.txt

@@ -4,6 +4,10 @@ GIT v1.5.5 Release Notes
 Updates since v1.5.4
 --------------------
 
+(subsystems)
+
+ * Comes with git-gui 0.9.3
+
 (performance)
 
  * On platforms with suboptimal qsort(3) implementation, there
@@ -57,6 +61,8 @@ Updates since v1.5.4
 
  * "git add -i" behaves better even before you make an initial commit.
 
+ * "git am" refused to run from a subdirectory without a good reason.
+
  * After "git apply --whitespace=fix" fixes whitespace errors in a patch,
    a line before the fix can appear as a context or preimage line in a
    later patch, causing the patch not to apply.  The command now knows to
@@ -81,6 +87,8 @@ Updates since v1.5.4
    inspect what is going to be committed and prepare the commit
    log message template to be edited.
 
+ * "git cvsimport" can now take more than one -M options.
+
  * "git describe" learned to limit the tags to be used for
    naming with --match option.
 
@@ -89,6 +97,12 @@ Updates since v1.5.4
 
  * "git describe --exact-match" describes only commits that are tagged.
 
+ * "git describe --long" describes a tagged commit as $tag-0-$sha1,
+   instead of just showing the exact tagname.
+
+ * "git describe" warns when using a tag whose name and path contradict
+   with each other.
+
  * "git diff" learned "--relative" option to limit and output paths
    relative to the current directory when working in a subdirectory.
 
@@ -98,6 +112,8 @@ Updates since v1.5.4
  * "git format-patch" learned --cover-letter option to generate a cover
    letter template.
 
+ * "git gc" learned --quiet option.
+
  * "git grep" now knows "--name-only" is a synonym for the "-l" option.
 
  * "git help <alias>" now reports "'git <alias>' is alias to <what>",
@@ -144,8 +160,18 @@ Fixes since v1.5.4
 All of the fixes in v1.5.4 maintenance series are included in
 this release, unless otherwise noted.
 
+ * "git-daemon" did not send early errors to syslog.
+
+ * "git-http-push" did not allow deletion of remote ref with the usual
+   "push <remote> :<branch>" syntax.
+
+ * "git-log --merge" did not well work with --left-right option.
+
+ * "git-rebase --abort" did not go back to the right location if
+   "git-reset" was run during the "git-rebase" session.
+
 ---
 exec >/var/tmp/1
-O=v1.5.4.3-339-g7cf7f54
+O=v1.5.4.3-428-g6b48990
 echo O=`git describe refs/heads/master`
 git shortlog --no-merges $O..refs/heads/master ^refs/heads/maint