[gnome-tweak-tool] version bump 3.12

[John Stowers <jstowers src gnome org>]

commit 040eb80dab263d99da70c4277fd77fe9685dd1c1
Author: John Stowers <john stowers gmail com>
Date:   Wed Mar 26 21:24:54 2014 +0100

    version bump 3.12

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index dcac13d..8a43099 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([gnome-tweak-tool], [3.10.0], [john stowers gmail com])
+AC_INIT([gnome-tweak-tool], [3.12.0], [john stowers gmail com])
 
 AM_INIT_AUTOMAKE([foreign tar-ustar dist-xz no-dist-gzip])