First pass at multiple config files. still a WIP.
Finish test for ConfigContainer.
Update tronfig and trond to work with multi-file configs.
Update sandbox to fix test failures.
Config state migration script to use new config, and add a migration script for old single file configs.
Update action_dag_diagram script to work with new config.
Add a header to config content when editing a named config. Allow creation of new named configs through the API.
Remove config name from config schema.
Cleanup tronfig and fix named config header.
cleanup mcp.apply_config().
Refactor identifier lookup so that it can be shared between tronview and tronctl, and support the default namespace for both commands.
Cleanup commands exit codes and config saving.
Cleanup tronfig logging, and DRY up some config_parse tests.
Merge pull request #190 from dnephin/189_support_multiple_config_files

Support multiple config files