requirements: add django-pipeline

docs/install.rst

@@ -61,7 +61,8 @@ Update the package lists, and install the required system software::
   sudo apt-get update
   sudo apt-get install --yes virtualenvwrapper postgresql git \
     python-pip rabbitmq-server libpq-dev python-dev ntp memcached \
-    libmemcached-dev
+    libmemcached-dev npm
+  sudo npm -g install bower less
 
 Set up *PostgreSQL* to listen on localhost and restart it::
 

requirements/base.txt

@@ -35,3 +35,4 @@ sqlparse==0.1.11
 pika==0.9.13
 Fabric==1.9.0
 lxml==3.3.5
+django-pipeline==1.3.25