[gvfs] Update NEWS for 1.15.4 release

[Tomas Bzatek <tbzatek src gnome org>]

commit 4c9881c0e77d973146f5992961147dab6af87fa9
Author: Tomas Bzatek <tbzatek redhat com>
Date:   Mon Mar 4 15:36:47 2013 +0100

    Update NEWS for 1.15.4 release

 NEWS |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 04d8e9d..cbdc4c3 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,14 @@
+Major changes in 1.15.4
+=======================
+* gdu,udisks2: Make use of new ID_FS_BOOT_SYSTEM_ID udev property
+* fuse: Install systemd tmpfiles.d exclusion file
+* mtp: Fix crash when libmtp operations fails without error message
+* mtp: Respect remove_source when pulling a file
+* mtp: Respect remove_source in do_push
+* tests: Add gvfs-testbed to enable tests which need root
+* tests: Check for URI string presence on CLI unmount
+* Translation updates
+
 Major changes in 1.15.3
 =======================
 * New gnome-online-accounts volume monitor written by Debarshi Ray