Added Palo Alto Tree Data use case
re-edit UC-IntelligentlyPreviewingCSVFiles
Merge branch 'gh-pages' of https://github.com/w3c/csvw into gh-pages
added #UC-DisplayingLocationsOfCareHomesOnAMap
edit #UC-DisplayingLocationsOfCareHomesOnAMap
fixed typos #UC-RepresentingEntitiesAndFactsExtractedFromText
removed "other use cases" section
added note about CKANs use of JSON encoding

reference Ross Jones’ email:
http://lists.w3.org/Archives/Public/public-csv-wg/2014Mar/0074.html …
pending complete response from Ross, issue is added.
Add CSV-LD markdown (and resulting mediawiki) documents.
Minor CSV-LD list formatting change.
removed empty conclusion section from cur doc
added direct mapping use case

in response to email from David Booth:
http://lists.w3.org/Archives/Public/public-csv-wg/2014Mar/0090.html

Also tidied up “motivation” references within Requirements
renumbered use cases into sequential order
added requirement for non-standard field delimiters
clustered requirements in cur document
removed hanging "the" (empty paragraph) in palo alto tree data use case