Closes #154 and updates #77 - Separates out confusing field name labels

[philipashlock]

Also attempts to be more accurate in usage of labels for POD and DCAT

[philipashlock]

Here's a preview of the new ordering and labeling.

In addition to deprecating the "human readable" labels and highlighting the actual field names, this update also changes some uses of RDFa to "DCAT" and changes some uses of JSON to "POD" where they are being used to refer to a schema rather than a serialization (syntax format) of the schema.

On schema.md:

On metadata-resources.md:

You can also see the rendered diff views:

philipashlock@2f12ad2#rdiff-6f1d03fd17dffc2bed660275fb47b289

philipashlock@2f12ad2#rdiff-e608d9ac6a0d5e2b6db229b78a3e65b4

[gbinal]

👍

This is a good balance. Thanks, Phil.

One thing. On /schema, in the one place you mention 'POD', I feel like you could just leave the word off. That is, just say: Further Metadata Field Guidance (alphabetical by field)

[haleyvandyck]

thanks so much for cleaning this up @philipashlock