Use javascript camelCase for properties in remote API input
Expand repertoires when converting to JSON
Make state validation more informative
Fix typo in standard example connectivity

By coincidence, this connection doesn't seem to change the network's
constellation. Lucky.
Use the user-facing example in the test suite. DRY
Revert "Fix typo in standard example connectivity"

This reverts commit 3aec746ede494091cfbc54bd0ef252e2573d1256.

Turns out, the example was the one from the 2012 paper, not the IIT 3.0.
So the connectivity was in fact correct.
Clean up a couple lines