prepare for releasing 4.0

configure.ac

@@ -19,7 +19,7 @@
 # along with pavucontrol. If not, see <http://www.gnu.org/licenses/>.
 
 AC_PREREQ(2.62)
-AC_INIT([pavucontrol],[3.0],[mzcnihpbageby (at) 0pointer (dot) de])
+AC_INIT([pavucontrol],[4.0],[mzcnihpbageby (at) 0pointer (dot) de])
 AC_CONFIG_SRCDIR([src/pavucontrol.cc])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_HEADERS([config.h])

doc/README.html.in

@@ -37,7 +37,7 @@ General Public License for more details.</p>
 
 <h2><a name="news">News</a></h2>
 
-<div class="news-date">Soon: </div>
+<div class="news-date">Tue Mar 5 2019: </div>
 <p class="news-text">
 <a href="@PACKAGE_URL@pavucontrol-4.0.tar.xz">Version 4.0</a> released.
 Changes:</p>