Add changes from stand-alone cic-meta repo.

apps/cic-meta/src/index.ts

@@ -1,4 +1,4 @@
-export { PGPSigner, PGPKeyStore } from './auth';
+export { PGPSigner, PGPKeyStore, Signer } from './auth';
 export { Envelope, Syncable } from './sync';
 export { User } from './assets/user';
 export { Phone } from './assets/phone';

apps/cic-meta/src/sync.ts

@@ -93,7 +93,7 @@ function orderDict(src) {
 	return dst;
 }
 
-class Syncable implements JSONSerializable, Authoritative {
+class Syncable implements JSONSerializable, Authoritative, Signable {
 
 	id:		string
 	timestamp:	number