Added multi-file support for examples and schema development, thanks Richard W.
Merge pull request #56 from danbri/master

Fixed missing 'name' property in Event example, reported by Pierre Far.
Merge branch 'master' into sdo-map
Fixed JSON-LD markup for enumerated value.
Merge branch 'sdo-multifile' into sdo-map
Added new Map example.
Whitespace.