[latexrefman] Add section on \caption

[Hefferon, Jim S.]

Added a subsection on \caption, below Floats section.  Put in cross references from figure and table.

Also, I added the note about category 10 in section on ignoring space.  Also, adjusted an overfull line in the PDF.

Jim

...........................................................
We are altering the EULA.  Pray we don't alter it any further.