Get updated json
Revert "Get updated json"

The database really shouldn't be mediated via source control...

This reverts commit b131b312a9fdff64cc96538c0986fa45b289f51b.
Add EXDATE handling

For when one instance of a recurring event has been deleted or overridden (like Checkpoint/GPLP yesterday)
Backchannel from www to bot

Allow the web server to send commands back to the bot. Currently, a hook to allow the webserver to modify the bot's storage, so we can make admin screens on the website. Possibility for other things later (like the ability to have the website say things in chat, perhaps?)