* Add onboarding profile selectors and mutators to wc-api
* Show onboarding profiler depending on API results
* Add initial state hydration for onboarding profile
* Add onboarding namespace constant
* Add method to go to next profiler step in step controller
* Add method to update profile params in step controller
* Add action methods to step 1 in the profiler
* Allow JSON body params for profile controller
* Use JSON body params in onboarding profile tests
* Add onboarding plugin installation (step 2)
* Handle PR Feedback: Fix vertical label display on mobile, fix Jetpack connect URL generation, so we make sure the plugin is active first, add new constant for local calypso development, fix typo, refactor activatePlugin/installPlugin on the JS side, sanitize plugin name input.
* Add a vertical mode to the stepper component, and make some adjustments to the font weights.
Also adds a 'isPending' parameter to show a spinner for the currently active step.
* Handle PR feedback: Fix typo, add some margin to stop bouncing around in horizontal mode, add vertical example to devdocs.
* Fix linter errors
Justin Shreve
Joshua T Flowers