Improve korean translation (fixed #26735).

git-svn-id: http://svn.sourceforge.jp/svnroot/shibuya-trac/plugins/ganttcalendarplugin/trunk@819 456a77e7-5939-0410-b211-84f85430c667
Improving code readability(fixed #26739).

git-svn-id: http://svn.sourceforge.jp/svnroot/shibuya-trac/plugins/ganttcalendarplugin/trunk@820 456a77e7-5939-0410-b211-84f85430c667
ganttcalendar: handle exceptions in `float()` (#29010)


git-svn-id: http://svn.sourceforge.jp/svnroot/shibuya-trac/plugins/ganttcalendarplugin/trunk@833 456a77e7-5939-0410-b211-84f85430c667
ganttcalendar: fix comparison of the version when Trac 1.0 to use `pkg_resources.parse_version` (#29011)


git-svn-id: http://svn.sourceforge.jp/svnroot/shibuya-trac/plugins/ganttcalendarplugin/trunk@834 456a77e7-5939-0410-b211-84f85430c667
ganttcalendar; improve Korean localization and documents (#29012)


git-svn-id: http://svn.sourceforge.jp/svnroot/shibuya-trac/plugins/ganttcalendarplugin/trunk@835 456a77e7-5939-0410-b211-84f85430c667
ganttcalendar: fix creating cursor while discarding the connection on pysqlite


git-svn-id: http://svn.sourceforge.jp/svnroot/shibuya-trac/plugins/ganttcalendarplugin/trunk@836 456a77e7-5939-0410-b211-84f85430c667
ganttcalendar: fix syntaxn error about `ASC` while creating index (#29009)


git-svn-id: http://svn.sourceforge.jp/svnroot/shibuya-trac/plugins/ganttcalendarplugin/trunk@837 456a77e7-5939-0410-b211-84f85430c667
ganttcalendar: use place holder to avoid any possibility of a SQL injection


git-svn-id: http://svn.sourceforge.jp/svnroot/shibuya-trac/plugins/ganttcalendarplugin/trunk@838 456a77e7-5939-0410-b211-84f85430c667
ganttcalendar: added German translations contributed by itsmeagain. Thanks!


git-svn-id: http://svn.sourceforge.jp/svnroot/shibuya-trac/plugins/ganttcalendarplugin/trunk@841 456a77e7-5939-0410-b211-84f85430c667