Third batch for 2.8 cycle

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

Documentation/RelNotes/2.8.0.txt

@@ -29,6 +29,16 @@ UI, Workflows & Features
    cannot be set in the config file per project), this safety can be
    disabled.
 
+ * "git pull --rebase" has been extended to allow invoking
+   "rebase -i".
+
+ * "git p4" learned to cope with the type of a file getting changed.
+
+ * "git format-patch" learned to notice format.outputDirectory
+   configuration variable.  This allows "-o <dir>" option to be
+   omitted on the command line if you always use the same directory in
+   your workflow.
+
 
 Performance, Internal Implementation, Development Support etc.
 
@@ -49,6 +59,10 @@ Performance, Internal Implementation, Development Support etc.
    Try to address the same issue by always restoring the environment
    and respawning the real underlying command when handling alias.
 
+ * The low-level code that is used to create symbolic references has
+   been updated to share more code with the code that deals with
+   normal references.
+   (merge 2859dcd jk/symbolic-ref later to maint).
 
 Also contains various documentation updates and code clean-ups.
 
@@ -114,6 +128,16 @@ notes for details).
    so this should have been caught if our test coverage were good.
    (merge a9eb90a ho/gitweb-squelch-undef-warning later to maint).
 
+ * "git rebase", unlike all other callers of "gc --auto", did not
+   ignore the exit code from "gc --auto".
+   (merge 8c24f5b jk/ok-to-fail-gc-auto-in-rebase later to maint).
+
+ * Many codepaths that run "gc --auto" before exiting kept packfiles
+   mapped and left the file descriptors to them open, which was not
+   friendly to systems that cannot remove files that are open.  They
+   now close the packs before doing so.
+   (merge d562102 js/close-packs-before-gc later to maint).
+
  * Other minor clean-ups and documentation updates
    (merge 99487cf ss/user-manual later to maint).
    (merge e914ef0 ew/for-each-ref-doc later to maint).