Fix missing commas in example “Defining a class and documenting its supported properties”
Fix example style

It unifies where to place the leading comma in the examples
when the line is marked with **** or ####.

It always should be outside the marks.
Merge pull request #9 from arnau/example_review

Improves formatting of examples
Clarify comments describing example
Fix typo rdfs:Property -> rdf:Property

Thanks to @wasabiwimp for reporting it

This fixes #
Merge branch 'master' of github.com:HydraCG/Specifications

This fixes #4