Update json-table-schema.rst

Added examples of data transmission, description of bandwidth benefits, and propose a compacted, mixed-array-based format for data interchange.
split transmission info out into own file
fix brackets
Merge pull request #1 from mk270/trestle-fix

split transmission material into own file
Update json-table-schema.rst

Re-updated the example to include two rows.
Update json-table-schema.rst
Merge pull request #28 from trestletech/master

Minor improvements to JTS plus new data transmission option.