Bump version to 0.7.0 to open up for development
diff --git a/configure.ac b/configure.ac
index 372c9f2..d2a2331 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 AC_PREREQ([2.64])
 AC_INIT([harfbuzz],
-        [0.6.0],
+        [0.7.0],
         [http://bugs.freedesktop.org/enter_bug.cgi?product=harfbuzz],
         [harfbuzz],
         [http://harfbuzz.org/])