expose new StealthAddress class

index.js

@@ -29,6 +29,7 @@ bitcore.expmt.AESCBC = require('./lib/expmt/aescbc');
 bitcore.expmt.CBC = require('./lib/expmt/cbc');
 bitcore.expmt.ECIES = require('./lib/expmt/ecies');
 bitcore.expmt.Stealthkey = require('./lib/expmt/stealthkey');
+bitcore.expmt.StealthAddress = require('./lib/expmt/stealthaddress');
 
 //dependencies, subject to change
 bitcore.deps = {};