Merge branch 'develop' into release

* develop:
  Update ws to 1.0.1
  run integration tests using standalone server
  Add multisignature support
  Add sample code to cancel all orders for a specified account
  Remove references to browser support
  add check for windows eol on commit removes windows eols from some files
  Fix error on ledger subscription message without validated_ledgers

package.json

@@ -27,7 +27,7 @@
     "ripple-hashes": "^0.1.0",
     "ripple-keypairs": "^0.10.0",
     "ripple-lib-transactionparser": "^0.6.0",
-    "ws": "^0.7.1"
+    "ws": "^1.0.1"
   },
   "devDependencies": {
     "assert-diff": "^1.0.1",