version 0.4.0
  - Pre-release version bump to 0.4.0
  - autogen.sh: create m4/ directory
    https://bugzilla.gnome.org/show_bug.cgi?id=669715
  - Add horizontal flip effect, fixes bug 666930
  - Overhaul build system
    Update .gitignore. Simplify Makefile.am. Update configure.ac, and do not
    use AM_GNU_GETTEXT with IT_PROG_INTLTOOL. Create an empty build-aux
    directory in autogen.sh.
  - Add David King as a maintainer
    Additionally, update the Bugzilla location. Remove obsolete MAINTAINERS.
  - Added/Updated Translations
    - af, courtesy of F Wolff
    - as, courtesy of Nilamdyuti Goswami
    - be, courtesy of Ihar Hrachyshka
    - bg, courtesy of Krasimir Chonov
    - ca, courtesy of Jordi Estrada
    - ca@valencia, courtesy of Jordi Estrada
    - cs, courtesy of Marek Černocký
    - da, courtesy of Nicky Thomassen
    - de, courtesy of Mario Blättermann
    - en_GB, courtesy of Bruce Cowan
    - eo, courtesy of Kristjan SCHMIDT
    - es, courtesy of Daniel Mustieles
    - et, courtesy of Mattias Põldaru
    - eu, courtesy of Iñaki Larrañaga Murgoitio
    - fa, courtesy of Arash Mousavi
    - fi, courtesy of Tommi Vainikainen
    - fr, courtesy of Bruno Brouard
    - gl, courtesy of Fran Dieguez
    - he, courtesy of Yaron Shahrabani
    - hi, courtesy of "Last-Translator: Rajesh Ranjan\n"
    - hu, courtesy of Gabor Kelemen
    - id, courtesy of Andika Triwidada
    - it, courtesy of Claudio Arseni
    - ja, courtesy of Hideki Yamane
    - km, courtesy of Morn Met
    - ko, courtesy of Changwoo Ryu
    - lt, courtesy of Aurimas Černius
    - lv, courtesy of Anita Reitere
    - nb, courtesy of Kjartan Maraas
    - pa, courtesy of A S Alam
    - pl, courtesy of Piotr Drąg
    - pt_BR, courtesy of Enrico Nicoletto
    - pt, courtesy of Duarte Loreto
    - ro, courtesy of Lucian Adrian Grijincu
    - ru, courtesy of Yuri Myasoedov
    - sk, courtesy of Stanislav Petrek
    - sl, courtesy of Matej Urbančič
    - sr, courtesy of Мирослав Николић
    - sr@latin, courtesy of Miroslav Nikolić
    - sv, courtesy of Daniel Nylander
    - ta, courtesy of Dr.T.Vasudevan
    - te, courtesy of Sasi Bhushan Boddepalli
    - th, courtesy of Theppitak Karoonboonyanan
    - tr, courtesy of Muhammet Kara
    - ug, courtesy of Temkin
    - uk, courtesy of Korostil Daniel
    - vi, courtesy of Clytie Siddall
    - zh_CN, courtesy of tuhaihe
    - zh_HK, courtesy of Chao-Hsiung Liao
    - zh_TW, courtesy of Chao-Hsiung Liao

version 0.3.0