bit better mark movement on insert/remove linebreak/lines, merge marks in some places if they move together after removing of a line
bit better mark movement on insert/remove linebreak/lines, merge marks in some places if they move together after removing of a line

svn path=/trunk/kdelibs/kate/; revision=222528

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