Install numpy on the build server. Refs #236.

Author: ericholscher

deploy/fab/fabfile.py

@@ -32,7 +32,7 @@ def install_packages(type):
 
     if type == 'build':
         sudo(
-            'apt-get install -y git-core python-setuptools python-dev postgresql-client libpq-dev subversion graphviz curl sqlite libxml2-dev libxslt-dev vim g++')
+            'apt-get install -y git-core python-setuptools python-dev postgresql-client libpq-dev subversion graphviz curl sqlite libxml2-dev libxslt-dev vim g++ python-numpy')
         sudo('pip install -U mercurial')
     if type == 'db':
         sudo('apt-get install -y solr-tomcat redis-server postgresql ')