[network-manager-openswan] (12 commits) ...build: create xz compressed tarballs by default

[Lubomir Rintel <lkundrak src gnome org>]

Summary of changes:

  68c4bf8... build: split the plugin into two halves (*)
  b4d559f... properties: port the new plugin to libnm (*)
  25677c8... properties: use the NM error types & quarks (*)
  0236636... properties: rename the classes to be more libnm-ish (*)
  0d289c2... service: port to libnm (*)
  34626c8... auth-dialog: port to libnm (*)
  ab9543b... build: allow build without libnm-glib (*)
  7c8da94... all: port to GDBus (*)
  f3b5d33... build: install into /usr/lib/NetworkManager/VPN as well (*)
  0f293db... merge: port to libnm, libnma & gdbus
  bdf615d... doc: update authors
  92f1611... build: create xz compressed tarballs by default

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