DOCS372 mv osd.xml to docs.mongodb.org root, modify layout.html w/new URL

Author: Ed Costello

source/.static/osd.xml renamed to themes/docs.mongodb.org/osd.xml

@@ -166,8 +166,8 @@
     {%- if not embedded %}
     {{ script() }}
 {%- block googlecse_opensearch %}
-{#- can't use Sphinx builtin opensearch, but can point to our own -#}
-<link rel="search" type="application/opensearchdescription+xml" href="{{ pathto('_static/osd.xml',1) }}" title="{% trans docstitle=docstitle|e %}Search within {{ docstitle }}{% endtrans %}"/>
+{#- can't use Sphinx builtin opensearch, but can point to our own #}
+<link rel="search" type="application/opensearchdescription+xml" href="http://docs.mongodb.org/osd.xml" title="MongoDB Help"/>
 {%- endblock -%}
     {%- if favicon %}
     <link rel="shortcut icon" href="{{ pathto('_static/' + favicon, 1) }}"/>