add p2pkh flag to POST v2/wallets endpoint

lib/expressapp.js

@@ -133,6 +133,7 @@ ExpressApp.prototype.start = function(opts, cb) {
   router.post('/v1/wallets/', function(req, res) {
     var server = getServer(req, res);
     req.body.supportBIP44 = false;
+    req.body.supportP2PKH = false;
     server.createWallet(req.body, function(err, walletId) {
       if (err) return returnError(err, res, req);
       res.json({
@@ -144,6 +145,7 @@ ExpressApp.prototype.start = function(opts, cb) {
   router.post('/v2/wallets/', function(req, res) {
     var server = getServer(req, res);
     req.body.supportBIP44 = true;
+    req.body.supportP2PKH = true;
     server.createWallet(req.body, function(err, walletId) {
       if (err) return returnError(err, res, req);
       res.json({