README: Change install to refer to PyPi

Fixes #5

Author: jonnor

README.md

@@ -15,15 +15,21 @@ and [Eclipse Paho](https://eclipse.org/paho/clients/python/) for MQTT.
 * Basic support for setting up and running Participants
 * Support for AMQP/RabbitMQ and MQTT brokers
 
-## Usage
+## License
 
-See [./examples/repeat.py](./examples/repeat.py)
+MIT, see [./LICENSE](./LICENSE)
 
-Run in git
+## Installing
 
-    pip install -r requirements.pip -t .
-    python ./examples/repeat.py
+Get it from [PyPi](http://pypi.python.org/)
 
-## License
+    pip install msgflo --user
 
-MIT, see [./LICENSE](./LICENSE)
+## Usage
+
+See [./examples/repeat.py](./examples/repeat.py)
+
+    wget https://github.com/msgflo/msgflo-python/raw/master/examples/repeat.py
+    # Set address of broker to connect to. Can also be amqp://...
+    export MSGFLO_BROKER=mqtt://localhost
+    python ./repeat.py