Update test server docs

Author: brycekahle

README.md

@@ -289,7 +289,7 @@ If you want to see samples of running code, take a look at:
 
  * [./examples/echo](https://github.com/sockjs/sockjs-node/tree/master/examples/echo)
    directory, which contains a full example of a echo server.
- * [./examples/test_server](https://github.com/sockjs/sockjs-node/tree/master/examples/test_server) a standard SockJS test server.
+ * [./tests/test_server](https://github.com/sockjs/sockjs-node/tree/master/tests/test_server) a standard SockJS test server.
 
 
 Connecting to SockJS-node without the client

tests/test_server/README.md

@@ -19,12 +19,4 @@ the following SockJS services:
 
 If you just want to quickly run it:
 
-    npm install
     node server.js
-
-
-If you want to run do development it's recommended to run `make
-test_server` from the top `sockjs-node` directory:
-
-    cd ../..
-    make test_server