Added travis config.
Mods to tox and travis config.
Additional mods to tox config.
Added config subparser.

Added exercise_parser.py which is an entry point to exercise the
argument parser.
Added subparsers to config command for add/remove.
Added action_method defaults for config subparsers
Big changes taking place. Committing for state.
Refactored main_parser construction!!
Continuing redesign of software layers.
Aggregation.
Coordination layer is coming together.

Collection layer is pretty solid.

Handling layer is mostly untouched.