Amphora Changes

Old plugin system no longer works, only use the Bus
The Bus env var name changed
The old router does not work

Amphora Search

/pagelist endpoint is deprecated, send a PATCH to /meta with the properties needed for the page list
Removed first pass at handlers API, now use the stream API
Stream API only accepts subscriptions to Amphora Bus Events
Page list entirely derived from page/layout meta

Amphora HTML

Layouts and components are now namespaced in HBS instance