[NetworkManager-openvpn] (10 commits) ...all: merge branch 'th/auth-validation'

[Thomas Haller <thaller src gnome org>]

Summary of changes:

  0d59098... service: pass "--auth" parameter directly to openvpn withou (*)
  fa8c975... editor: when editing show unknown "auth" parameter in combo (*)
  d0f56b5... editor: cleanup using gtk_tree_model_get() and fix leaks (*)
  11ffdf9... editor: drop wrong casts for const-string (*)
  3b591ad... all: add and use defines for secret flag keys (*)
  d9fa8ac... editor: don't clone key names for hash in advanced_dialog_n (*)
  49064f9... editor: don't clone key names for hash in advanced_dialog_n (*)
  f83576a... editor: minor cleanup of contype handing in init_editor_plu (*)
  43b4296... editor: simplify some error handling (*)
  b5931e2... all: merge branch 'th/auth-validation'

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