[PATCH 0/7] http: minor improvements

This patch series was generated on top of 'next'. It contains some general changes to http users.

Some highlights:
  - add non-ff test cases to "dumb" http push test
  - separate init and cleanup of http from http-walker

[PATCH 1/7] t5541-http-push: check that ref is unchanged for non-ff test [PATCH 2/7] t554[01]-http-push: refactor, add non-ff tests [PATCH 3/7] http-push: remove useless condition [PATCH 4/7] http-walker: cleanup more thoroughly [PATCH 5/7] http: init and cleanup separately from http-walker [PATCH 6/7] remote-curl: use http_fetch_ref() instead of walker wrapper [PATCH 7/7] remote-curl: init walker only when needed

 http-fetch.c         |    4 +++-
 http-push.c          |    2 +-
 http-walker.c        |   21 ++++++++++++++++++---
 remote-curl.c        |   21 +++++++++------------
 t/lib-httpd.sh       |   29 +++++++++++++++++++++++++++++
 t/t5540-http-push.sh |    3 +++
 t/t5541-http-push.sh |   22 ++--------------------
 walker.h             |    2 +-
 8 files changed, 66 insertions(+), 38 deletions(-)

-- Cheers, Ray Chuan