[libsigcplusplus] 2.99.4

[Murray Cumming <murrayc src gnome org>]

commit 7581b7c192084565ac6aba38d93686c2f356b2e0
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Apr 8 11:01:48 2016 +0200

    2.99.4

 NEWS         |   13 +++++++++++++
 configure.ac |    2 +-
 2 files changed, 14 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 9bd1a9a..36f6dd5 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,16 @@
+2.9.4 (unstable):
+
+* Minor documentation improvements.
+  (Murray Cumming)
+* Make some constructors explicit.
+  (Murray Cumming)
+* Some more minor uses of C++11 syntax.
+  (Murray Cumming)
+* Remove unused SIGC_FUNCTORS_DEDUCE_RESULT_TYPE_WITH_DECLTYPE.
+  (Murray Cumming)
+* Reformat code with clang-format.
+  (Murray Cumming)
+
 2.99.3 (unstable):
 
 * Correct the license of some header files from GPL to LGPL.
diff --git a/configure.ac b/configure.ac
index c87e53f..79ff088 100644
--- a/configure.ac
+++ b/configure.ac
@@ -15,7 +15,7 @@
 ## You should have received a copy of the GNU Lesser General Public License
 ## along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
-AC_INIT([libsigc++], [2.99.3],
+AC_INIT([libsigc++], [2.99.4],
         [http://bugzilla.gnome.org/enter_bug.cgi?product=libsigc%2B%2B],
         [libsigc++], [http://libsigc.sourceforge.net/])
 AC_PREREQ([2.59])