message: Expose identity address and decentralized ID on user object
diff: @@ -4,7 +4,7 @@ import { decodeToken } from 'jsontokens'
  import { makeAuthRequest, verifyAuthResponse } from './index'
  import protocolCheck from 'custom-protocol-detection-blockstack'
  import { BLOCKSTACK_HANDLER, isLaterVersion } from '../utils'
  -import { makeECPrivateKey } from '../index'
  +import { getAddressFromDID, makeECPrivateKey } from '../index'
  import { decryptPrivateKey } from './authMessages'
  import { BLOCKSTACK_APP_PRIVATE_KEY_LABEL,
  BLOCKSTACK_STORAGE_LABEL,
  @@ -182,6 +182,8 @@ export function handlePendingSignIn(nameLookupURL: string = 'https://core.blocks
  const userData = {
  username: tokenPayload.username,
  profile: tokenPayload.profile,
  + decentralizedID: tokenPayload.iss,
  + identityAddress: getAddressFromDID(tokenPayload.iss),
  appPrivateKey,
  coreSessionToken,
  authResponseToken,
  