[NetworkManager-openvpn] release: update NEWS file

[Thomas Haller <thaller src gnome org>]

commit dd625aba03959be9081b0711b329638782550b9f
Author: Thomas Haller <thaller redhat com>
Date:   Tue Oct 2 10:24:06 2018 +0200

    release: update NEWS file

 NEWS | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
---
diff --git a/NEWS b/NEWS
index 16f2eaf..3c2613d 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,20 @@
+=======================================================
+NetworkManager-openvpn-1.8.6
+Overview of changes since NetworkManager-openvpn-1.8.4
+=======================================================
+
+This is a new stable release of NetworkManager-openvpn.  Notable changes include:
+
+* Migrate project home to gitlab (https://gitlab.gnome.org/GNOME/NetworkManager-openvpn)
+* Don't validate auth parameter and pass it directly to openvpn.
+* Fix endless loop checking for encrypted certificate.
+* Sanitize newlines in export ovpn file.
+* Improve project description in doap file.
+* Add Croatian translation.
+* Update Catalan, German, Indonesian, Italian, Brazilian Portuguese
+  and Russian translations.
+* Various minor bugfixes and improvements.
+
 =======================================================
 NetworkManager-openvpn-1.8.4
 Overview of changes since NetworkManager-openvpn-1.8.2