Add search locations and OS type.

Author: daspecster

.github/ISSUE_TEMPLATE

@@ -1,16 +1,20 @@
-Thank you for reporting and issue to google-cloud-python!
+# Thank you for reporting an issue to google-cloud-python!
 
 If you are reporting an issue or requesting a feature, please search the
 existing open and closed issues to see if there is already work being done.
 
-If you can provide us with the following information it will help us identify
-the cause of your issue more quickly.
+- https://github.com/GoogleCloudPlatform/google-cloud-python/issues
+- http://stackoverflow.com/questions/tagged/google-cloud-python
 
-1. google-cloud-python version
-2. Python version and virtual environment information
-3. Stacktrace if available
-4. Steps to reproduce
-5. Code example
+If you can provide us with as much of the following information as possible it
+will help us identify the cause of your issue more quickly.
 
-Using Github flavored markdown can help make your request clearer.
+1. OS type and version
+2. Python version and virtual environment information `python --version`
+3. google-cloud-python version `pip show google-cloud`, `pip show google-<service>` or `pip freeze`
+4. Stacktrace if available
+5. Steps to reproduce
+6. Code example
+
+Using GitHub flavored markdown can help make your request clearer.
 See: https://guides.github.com/features/mastering-markdown/