[gbrainy] Bump to version 2.3.4

[Jordi Mas <jmas src gnome org>]

commit 9a65825e2836f51dcec9df2a0419e4b3b666acae
Author: Jordi Mas <jmas softcatala org>
Date:   Sun Jan 28 09:31:50 2018 +0100

    Bump to version 2.3.4

 NEWS         |    5 +++++
 configure.ac |    2 +-
 2 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 4e52d2b..0e38e33 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,10 @@
 gbrainy NEWS
 
+Version 2.3.4
+* Updated translations
+* 2 new games
+* 4 small bug fixes
+
 Version 2.3.3
 * Updated translations
 * 3 new games
diff --git a/configure.ac b/configure.ac
index e21dc27..3dbd8d1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 # Define gbrainy version
 m4_define([gbrainy_version_major], [2])
 m4_define([gbrainy_version_minor], [3])
-m4_define([gbrainy_version_revision], [3])
+m4_define([gbrainy_version_revision], [4])
 
 m4_define([concat], $1$2$3$4)