added reference to documentation for public roles data
Drafting Notes
Drafting Notes
changed 'null field' to 'empty field'

also added issue; prompted by
http://lists.w3.org/Archives/Public/public-csv-wg/2014Apr/0032.html
consistently refer to tabular data model(s)
removed superfluous ids
referenced TAG Packaging on the Web work
Odd notes
Update csv2rdf with Graph Templates.
Escape example.
Added a reference to the index page for the CSV->RDF file
added csvw-requirements-notes.csv
Merge branch 'gh-pages' of https://github.com/w3c/csvw into gh-pages
added csvw-requirements-notes.xls
Added screen dumps for rtlDirectionality Use Case
Added example images for RtlDirectionality Use Case
First pass on metadata vocabulary spec
Fixed subsection problem for Use Case #19
Minor edits once again to Use Case #19.
moved R-RandomAccess to Deferred Requirements