* Create backend for Dashboards
* Rm lastupdatetime for now
* Added a create-dashboard and sharable view dashboard page
* Various nit fixes.
* Renamed Dashboards to Posts
* Fix nits
* Add cloud function to get custom token from API auth
* Use custom token to authenticate Firebase SDK on server
* Make sure getcustomtoken cloud function is fast
* Make server auth code maximally robust
* Refactor cookie code, make set and delete more flexible
* Move concurrently dep upwards
* Add express as explicit dependency
* Accept just one HTTP method per endpoint
* Fix endpoint option coalescing
* Expressification of cloud functions
* Nicer logging of API requests
* Refactor web package.json
* Add ts-node and nodemon to dev dependencies, bring back cors
* Add scaffolding to point dev server at local functions
* Enable emulator in dev server scaffolding
* Fix up a little stuff I broke
