Merge branch 'jc/logs' into next

* jc/logs:
  builtin-log/whatchanged/show: make them official.

diff --cc Makefile
index b2b8b5d,5d19820..ef1c36e
--- 1/Makefile
--- 2/Makefile
+++ b/Makefile
@@@ -167,8 -167,7 +167,8 @@@ PROGRAMS = 
        git-name-rev$X git-pack-redundant$X git-repo-config$X git-var$X \
        git-describe$X git-merge-tree$X git-blame$X git-imap-send$X
  
- BUILT_INS = git-log$X \
 -BUILT_INS = git-log$X git-whatchanged$X git-show$X
++BUILT_INS = git-log$X git-whatchanged$X git-show$X \
 +      git-diff$X
  
  # what 'all' will build and 'install' will install, in gitexecdir
  ALL_PROGRAMS = $(PROGRAMS) $(SIMPLE_PROGRAMS) $(SCRIPTS)