Structured Scopes from BB+
added structured scope update to mysql (affects #455)
missed a service definition
added transient structured value to system scope, added scope matcher function to scope service
serialize structured scopes properly (with tests)
cleanup
scope comparison for introspection endpoint
scope comparison for TofuUserApprovalHandler
use new unified parsing for approval page
added validator that knows how to deal with structured scopes
defer to system scope matcher in approval handler
UI for scope editing
fixed scope UI
allow loading of structured scopes from scopes.sql file (and temp tables)