moving component registry files into main repo
editable designer isolation & fixes for ceci-button
superficial fixes
Update instructions for starting server
Merge pull request #550 from secretrobotron/editable-fixes

editable designer isolation & fixes for ceci-button
Adding designer's cards code.
Merge branch 'develop' of github.com:mozilla-appmaker/appmaker into develop
moving cards to new folder, adding channels
Update README.md
Rewrote routes to get component registry working
Merge pull request #601 from mozilla-appmaker/component-registry

Component registry

I'm pretty sure all I've done is add the paths /register/* and /components/* so I will go ahead and pull this into the develop branch. If anything breaks, holler at me.
Renaming component-proxy to proxy and adding cors proxy to it.
Adding cors proxy to routing. Using cors module
Cleaning up CORS for test_assets
Properly inheriting from ceci-element-base
Small typo fix
Adding stub for designer-cards
unused dependency
Some left-over cruft from an old merge
Adding ceci-element-base to list of built-ins