Destroy session on httpLogout
Rename ediGetTableSchema to ediGetTableDimensions
Add espSetReadonly and espSetPrivate
Add PREFIX route var
Cleanup
Change getTableSchema to getTableDimensions
Fix ESP flat
    - Fix stylesheet and scripts APIs in flat mode
Revise EspRoute serverPrefix
Support config.json properties
    redirect: secure
    loginRequired: uri
    auth: "app"
Remove id() abbreviated API -- too generic.
Add mime type for /esp/config request route
Add EspRoute.reloading flag for pending reload
Add support for private, in-memory, readonly databases for demo mode.