adding selectioninterfaceext methods
adding selectioninterfaceext methods

svn path=/trunk/kdelibs/kate/; revision=167837

DickJ/kate,hlamer/kate,DickJ/kate,hlamer/kate,sandsmark/kate,cmacq2/kate,jfmcarreira/kate,cmacq2/kate,sandsmark/kate,DickJ/kate,cmacq2/kate,jfmcarreira/kate,hlamer/kate,hlamer/kate,hlamer/kate,sandsmark/kate,hlamer/kate,DickJ/kate,hlamer/kate,sandsmark/kate,hlamer/kate,hlamer/kate,jfmcarreira/kate,hlamer/kate