* open-api-explorer engine with embedded swagger-ui
* move swagger config to a component, rely directly on swagger-ui
* filter operations by endpoint, hook up filter to query param, add namespace handling
* fix namespace handling
* update ember-engines so that we can app.import in a lazy engine
* use engine's included hook to move swagger-ui to engine-vendor.* files
* show flash message about this being a live vault server
* show a namespace reminder and override some styles from swagger-ui
* switch filter to use includes instead of startsWith
* move flash-message to alert-banner and fix namespace reminder with a block
* adds explore web-cli command to navigate to the api-explorer engine
* allow passing a preformatted string to flash messages
* add multi-line flash-message to api explorer
* invert control and trigger events on react app so we can control the layout more and use our components
* tweak styling some more and adjust message on the flash
* change web cli command from 'explore' to 'api'
* shorten namespace warning
* fix console
* fix comments
Matthew Irish