Frank's fix for multiline captions and linefeed characters

Some text editors may use a straight linefeed (vbLf) instead of a
combined linefeed and carriage return (vbCrLf).  Per Frank's excellent
suggestion, this is now checked and replaced when the XML file is first
loaded.
Redesigned left-hand toolbar

It's so small!  This is experimental, pending external feedback.  I do
like the added room for the image, and I also like not having to deal
with text resizing.  We'll see how I feel in a few days.
Redesign right-hand toolbar

Now with more room!  This should help with translations.