Merge branch 'maint'

* maint:
  Makefile: FreeBSD (both 7 and 8) needs OLD_ICONV
  Start 1.6.6.X maintenance track
  Add git-http-backend to command-list.
  t4019 "grep" portability fix
  t1200: work around a bug in some implementations of "find"

Conflicts:
	RelNotes

diff --cc Makefile
Simple merge