Update README

README.md

 
 ### Developement
 
-First, comment out the lines below "#Production settings" in `settings.py`.
+First, comment out the lines below "#Production settings" in `seum/settings.py`.
 
 You will also need to apply the unapplied migrations:
 

requirements.txt

 django-debug-toolbar==1.6
 django-graphos-3
 pandas==0.19
+django_extensions==1.7.8