Log Message:
Update to 0.30.2:

        Alexander Troosh (1):
              Require GTK+ version >= 2.16

        Andrea Canciani (1):
              test: Fix build on MSVC

        Markos Chandras (1):
              Use AC_LINK_IFELSE to check if the Loongson MMI code can link

        Matthieu Herrb (1):
              configure.ac: Don't use '+=' since it's not POSIX

        Siarhei Siamashka (1):
              test: fix matrix-test on big endian systems

        Søren Sandmann Pedersen (2):
              Version bump to 0.30.1
              Pre-release version bump to 0.30.2

        ingmar@irsoft.de (1):
              Fix broken build when HAVE_CONFIG_H is undefined, e.g. on Win32.