[network-manager-libreswan] (21 commits) ...merge branch 'th/vpn-plugin-debug-bgo766872'

[Thomas Haller <thaller src gnome org>]

Summary of changes:

  beb2bf1... service: show better error message when /etc/ipsec.d/ does  (*)
  0329845... build: add configure option "--with-nm-ipsec-conf" and "--w (*)
  b4350c5... shared: cleanup includes in "utils.c" (*)
  5a02aef... properties: move nm_libreswan_config_read() to import_from_ (*)
  418ee41... properties: cache errno in local variable (*)
  f7e1ddb... properties: fail import of files that have no "conn" sectio (*)
  4babaef... shared: refactor write_config_option() to treat trailing ne (*)
  f48cec9... properties,service: check for errors in write_config_option (*)
  023bd61... shared: refactor debug logging for nm_libreswan_config_writ (*)
  c83656a... service: don't print PSK to stdout for logging (*)
  e4a32bc... shared: move write_config_option() from header to source fi (*)
  5e5299e... service: namespace global variables by putting them into a  (*)
  1789088... shared: add shared file "shared/nm-vpn/nm-vpn-plugin-macros (*)
  4907815... service: replace g_log() by new logging macros (*)
  9036267... service: allow setting log_level via environment variable N (*)
  6e089dd... shared: refactor arguments for nm_libreswan_config_write() (*)
  e74c210... service: pass the log-level and logging-prefix to the helpe (*)
  9c0d423... service: log command line in do_spawn() (*)
  1cfcb21... service/trivial: move code (*)
  a8ad1ba... service: always read stdout/stderr of ipsec command (*)
  de704fc... merge branch 'th/vpn-plugin-debug-bgo766872'

(*) This commit already existed in another branch; no separate mail sent