removed unused xsl/openbibl.browse.xsl stylesheet

removed unused xsl/openbibl.browse.xsl stylesheet, which
was an early draft and is now unused
removed unused xsl/openbibl.shared.xsl stylesheet

removed unused xsl/openbibl.shared.xsl stylesheet, which was used
earlier in the boot.xsl and openbibl.xsl stylesheets but is no
longer needed
updated tests/xsl/run.sh

Updated shell script for xsl tests to include linked-open-data
stylesheet.
updated test/xsl result files

Added output file for linked-open-data transform. Updated result
files for end-to-end xsl testing on the stylesheets:

   openbibl.boot.xsl
   openbibl.xsl
updated documentation in xsl/openbibl.lod.xsl

Updated function/template documentation to better
explain usage and format of the LOD data file.
tooltip text generation: added TODO item, normalize-space()

Added a TODO item for the tooltip text overlap, to be implemented
both in the xsl/openbibl.xsl and the js/openbibl/tooltip.js files.

Added a call to normalize-space() in the tooltip-text variable
to keep unnecessary from the TEI XML file out of the attribute
used for tooltips.