Include people example (#12)

* Include people API examples - Thank you Jose!

examples/people.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python
+#  -*- coding: utf-8 -*-
+""" Script to demostrate the use of ciscosparkapi for the people API
+
+The package natively retrieves your Spark access token from the
+SPARK_ACCESS_TOKEN environment variable.  You must have this environment
+variable set to run this script.
+
+"""
+
+
+from __future__ import print_function
+from ciscosparkapi import CiscoSparkAPI
+
+
+try:
+    api = CiscoSparkAPI()    # Create a CiscoSparkAPI connection object; uses your SPARK_ACCESS_TOKEN
+except Exception as e:
+    print(e)
+
+
+# Get my user information
+print("Get my information ...")
+me = api.people.me()
+print(me)
+
+# Get my user information using id
+print("Get my information but using id ...")
+me_by_id = api.people.get(me.id)
+print(me_by_id)
+
+# Get my user information using id
+print("Get the list of people I know ...")
+people = api.people.list(displayName="Jose") # Creates a generator container (iterable) that lists the people I know
+for person in people:
+    print(person.displayName) # Return the displayName of every person found