[network-manager-openconnect] (7 commits) ...service: merge branch 'th/logging-bgo767733'

[Thomas Haller <thaller src gnome org>]

Summary of changes:

  99aaec2... src: define static ValidProperty as const (*)
  24d5d3a... src: namespace global variables by putting them inside a st (*)
  83e9086... src: add logging macros to nm-openconnect-service (*)
  eb32126... src: make logging level configurable via NM_VPN_LOG_LEVEL (*)
  08a8c83... src: use logging macros in service helper (*)
  bbcf0ef... src: print environment in helper script (*)
  6471069... service: merge branch 'th/logging-bgo767733'

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