add ltrim, rtrim and trim commands
add ltrim, rtrim and trim commands

svn path=/trunk/KDE/kdelibs/kate/; revision=1077803

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