[varnishcache/varnish-cache] 16b837: Clarify VRT_delete_backend a bit

[Dridi Boukelmoune]

  Branch: refs/heads/master
  Home:   https://github.com/varnishcache/varnish-cache
  Commit: 16b8375210973852fa39afafad3239d382661fe5
      https://github.com/varnishcache/varnish-cache/commit/16b8375210973852fa39afafad3239d382661fe5
  Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
  Date:   2015-12-04 (Fri, 04 Dec 2015)

  Changed paths:
    M bin/varnishd/cache/cache_backend_cfg.c

  Log Message:
  -----------
  Clarify VRT_delete_backend a bit


  Commit: 50aeefcceec15b765b2be0bb45d5c2de057802fe
      https://github.com/varnishcache/varnish-cache/commit/50aeefcceec15b765b2be0bb45d5c2de057802fe
  Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
  Date:   2015-12-04 (Fri, 04 Dec 2015)

  Changed paths:
    M bin/varnishd/cache/cache_vcl.c
    M doc/sphinx/reference/vmod.rst
    M include/vrt.h

  Log Message:
  -----------
  Allow VMODs to hold a reference on a warm VCL


  Commit: 3162873747e9241383626d9cb501f363f7931b4b
      https://github.com/varnishcache/varnish-cache/commit/3162873747e9241383626d9cb501f363f7931b4b
  Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
  Date:   2015-12-04 (Fri, 04 Dec 2015)

  Changed paths:
    M bin/varnishd/cache/cache_backend.h
    M bin/varnishd/cache/cache_backend_cfg.c
    M bin/varnishd/cache/cache_vcl.c
    M doc/sphinx/reference/directors.rst

  Log Message:
  -----------
  Don't create backends on cooling VCLs, return NULL


  Commit: 2b6bf4fe047524e314deb9b96960159e9f6ca536
      https://github.com/varnishcache/varnish-cache/commit/2b6bf4fe047524e314deb9b96960159e9f6ca536
  Author: Dridi Boukelmoune <dridi.boukelmoune at gmail.com>
  Date:   2015-12-04 (Fri, 04 Dec 2015)

  Changed paths:
    M doc/sphinx/reference/vmod.rst

  Log Message:
  -----------
  Start documenting that VCL cool down should go fast


Compare: https://github.com/varnishcache/varnish-cache/compare/765b6d3b3bb6...2b6bf4fe0475