Upgrade to bug-buddy 2.30.0

Changes since previous version in pkgsrc:
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2.30.0
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Bugs fixed:
 - Fixed #596678, String fixes

Translations:
 - Updated ar Translation (Khaled Hosny)
 - Updated ast Translation (Xandru Armesto Fernandez)
 - Updated bg Translation (Alexander Shopov)
 - Updated bn Translation (Jamil Ahmed)
 - Updated ca Translation (Gil Forcada)
 - Updated cs Translation (Petr Kovar)
 - Updated da Translation (Kenneth Nielsen)
 - Updated de Translation (Christian.Kirbach)
 - Updated el Translation (Kostas Papadimas)
 - Updated en_GB Translation (Bruce Cowan, Philip Withnall)
 - Updated en@shaw Translation (Thomas Thurman)
 - Updated es Translation (Jorge González)
 - Updated et Translation (Priit Laes)
 - Updated eu Translation (Inaki Larranaga Murgoitio)
 - Updated fi Translation (Tommi Vainikainen)
 - Updated fr Translation (Claude Paroz)
 - Updated gl Translation (Fran Diéguez, Antón Méixome)
 - Updated he Translation (Yaron Sharabani)
 - Updated hu Translation (Gabor Kelemen)
 - Updated it Translation (Luca Ferretti)
 - Updated ja Translation (Hideki Yamane (Debian-JP))
 - Updated ko Translation (Changwoo Ryu)
 - Updated lt Translation (Gintautas Miliauskas)
 - Updated lv Translation (Peteris Krisjanis)
 - Updated ml Translation (Praveen Arimbrathodiyil)
 - Updated ms Translation (Ahmed Noor Kader Mustajir Md Eusoff)
 - Updated nb Translation (Kjartan Maraas)
 - Updated nl Translation (Wouter Bolsterlee)
 - Updated nn Translation (Torstein Adolf Winterseth, Åsmund Skjæveland)
 - Updated pa Translation (A S Alam)
 - Updated pl Translation (Piotr Drąg)
 - Updated pt_BR Translation (Flamarion Jorge)
 - Updated pt Translation (Duarte Loreto)
 - Updated ro Translation (Lucian Adrian Grijincu)
 - Updated ru Translation (Leonid Kanter)
 - Updated sk Translation (Roman Mátyus)
 - Updated sl Translation (Matej Urbančič)
 - Updated sr@latin Translation (Miloš Popović)
 - Updated sr Translation (Miloš Popović)
 - Updated sv Translation (Daniel Nylander)
 - Updated ta Translation (drtvasudevan)
 - Updated th Translation (Theppitak Karoonboonyanan)
 - Updated uk Translation (Maxim V. Dziumanenko)
 - Updated vi Translation (Clytie)
 - Updated zh_CN Translation (Tao Wei)
 - Updated zh_HK Translation (Chao-Hsiung Liao)
 - Updated zh_TW Translation (Chao-Hsiung Liao)

2.28.0
  * Updated translations

2.27.92 ("The Fixer")
  * Drop gnome-menus dependency (Vincent Untz)

2.27.1
  * Fix build with GCC 4.40
  * Generate ChangeLog from git-log
update to bug-buddy 2.30.0