clean up example and requirements

doc/example-plugins/repeat.py

@@ -4,5 +4,5 @@ outputs = []
 
 def process_message(data):
     if data['channel'].startswith("D"):
-        outputs.append([data['channel'], "from repeat1: " + data['text']])
+        outputs.append([data['channel'], "from repeat1 \"{}\" in channel {}".format(data['text'], data['channel']) ])
 

requirements.txt

@@ -1,2 +1,3 @@
+pyyaml
 websocket-client
-git+ssh://git@github.com/slackhq/python-slackclient.git@master#egg=python-slackclient
+git+https://github.com/slackhq/python-slackclient.git

rtmbot.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 import sys
 sys.dont_write_bytecode = True