Merge branch 'jk/clone-cmdline-config'

* jk/clone-cmdline-config:
  clone: accept config options on the command line
  config: make git_config_parse_parameter a public function
  remote: use new OPT_STRING_LIST
  parse-options: add OPT_STRING_LIST helper

diff --cc builtin/remote.c
Simple merge

diff --cc cache.h
Simple merge

diff --cc config.c
Simple merge