Add instruction to install test requirements.

Add instruction in the refstack.md file to install test
requirements.  Also add a default config.json file.

Change-Id: Ie3a9a5cfc175b0ec8f5e5c57d767bd0af6a2d62e

config.json

@@ -0,0 +1,16 @@
+{
+    "app_address": "127.0.0.1:8000",
+
+    "test_mode": "docker",
+
+    "tempest_url":
+    "https://github.com/openstack/tempest/archive/stable/havana.zip",
+
+    "tempest_testcases":
+    {
+        "testcases":
+        [
+        "tempest.api.identity.admin.test_roles"
+        ]
+    }
+}

doc/refstack.md

@@ -1,4 +1,4 @@
-RefStack Quickstart
+Refstack Quickstart
 ===================
 To run refstack for development or to have a gui for running tests behind your firewall.
 
@@ -18,12 +18,15 @@ Install dependencies (on ubuntu 13.x)..
 
 `python setup.py install`
 
+`pip install -r test-requirements.txt`
+
+Update the "app_address" parameter in the config.json file to the correct address of your refstack server.
 
 Setup or update the database
 
 NOTE: you are going to have to modify the db connection string in `alembic.ini` to get this working
 
-PROTIP: if you just want to test this out, use `-n alembic_sqlite` to make a local sqlite db 
+PROTIP: if you just want to test this out, use `-n alembic_sqlite` to make a local sqlite db
 
 `alembic -n alembic_sqlite upgrade head`
 or

test-requirements.txt

@@ -1,7 +1,6 @@
 pep8==1.4.5
 pyflakes>=0.7.2,<0.7.4
 flake8==2.0
-
 python-subunit>=0.0.18
 testrepository>=0.0.18
 testtools>=0.9.34