[gnome-panel] bump version to 3.16.0, update NEWS

[Alberts Muktupāvels <muktupavels src gnome org>]

commit b8cb0e900f378b99fb99dcc698bf35f162be2c38
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Tue Mar 24 17:06:37 2015 +0200

    bump version to 3.16.0, update NEWS

 NEWS         |   11 +++++++++++
 configure.ac |    4 ++--
 2 files changed, 13 insertions(+), 2 deletions(-)
---
diff --git a/NEWS b/NEWS
index be8b48d..cfcdfc3 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,14 @@
+Version 3.16.0
+==============
+- Always show images in menu-bar and main-menu applets. (Alberts Muktupāvels)
+- Fix GObject introspection installation. (Ryan Lortie)
+- Filter out actions without icon from panel addto dialog. (Alberts Muktupāvels) 
+- Updated translations:
+  Anders Jonsson (sv), Balázs Úr (hu), Cheng-Chia Tseng (zh_TW),
+  Daniel Mustieles (es), Marek Černocký (cs), Muhammet Kara (tr),
+  Rafael Ferreira (pt_BR), Samir Ribic (bs), Shankar Prasad (kn),
+  Stas Solovey (ru), Yosef Or Boczko (he).
+
 Version 3.15.2
 ==============
 - Fixed more deprecation warnings (again). (Alberts Muktupāvels)
diff --git a/configure.ac b/configure.ac
index 58fe663..30fffdf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([gnome-panel], [3.15.2],
+AC_INIT([gnome-panel], [3.16.0],
         [http://bugzilla.gnome.org/enter_bug.cgi?product=gnome-panel])
 AC_CONFIG_HEADERS(config.h)
 AM_INIT_AUTOMAKE([1.11 no-dist-gzip dist-xz tar-ustar -Wno-portability])
@@ -20,7 +20,7 @@ AC_SUBST([LIBPANEL_APPLET_API_VERSION])
 LIBPANEL_APPLET_GIR_VERSION=5_0
 AC_SUBST([LIBPANEL_APPLET_GIR_VERSION])
 
-LIB_PANEL_APPLET_LT_VERSION=0:1:0
+LIB_PANEL_APPLET_LT_VERSION=0:2:0
 AC_SUBST(LIB_PANEL_APPLET_LT_VERSION)
 
 GNOME_MAINTAINER_MODE_DEFINES