Add Kabyle language, as rare language it uses a three-letter code as per ISO 639-2.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@75754 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Return true from OnCellClicked if the event was processed, otherwise further processing will use default behaviour which may negate the effect of the event handler.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@75792 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775