get organizations API working, hello REST world!

app_setup/setup.yml

@@ -12,13 +12,17 @@
     - vars/vars.yml
 
   tasks:
+
+      - name: remove python-dateutils package if installed
+        yum: name=python-dateutils15 state=removed
       
-      - name: install database packages from yum
-        action: yum name=$item state=installed
+      - name: install packages from yum
+        yum: name=$item state=installed
         with_items:
              - postgresql               # database client
              - postgresql-server        # database server
              - python-psycopg2          # database library
+             - python-lxml              # xml for ?format=xml instead of json (optional)
 
       - name: install python modules from pip
         pip: requirements=${working_dir}/requirements.txt