Update get_url example

examples/playbooks/get_url.yml

@@ -5,12 +5,12 @@
   - person: 'Susie%20Smith'
   tasks:
   - name: Create directory for jQuery
-    action: file dest=${jquery_directory} state=directory mode=0755
+    action: file dest={{jquery_directory}} state=directory mode=0755
   - name: Grab a bunch of jQuery stuff
-    action: get_url url=http://code.jquery.com/$item  dest=${jquery_directory} mode=0444
+    action: get_url url=http://code.jquery.com/{{item}}  dest={{jquery_directory}} mode=0444
     with_items:
     - jquery.min.js
     - mobile/latest/jquery.mobile.min.js
     - ui/jquery-ui-git.css
   #- name: Pass urlencoded name to CGI
-  #  action: get_url url=http://example.com/name.cgi?name='${person}' dest=/tmp/test
+  #  action: get_url url=http://example.com/name.cgi?name='{{person}}' dest=/tmp/test