Improve design of config dialog and tweak "what's this" strings.
Improve design of config dialog and tweak "what's this" strings.

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