Add graphic for unknown status in default template

graphics/questionmark.svg

@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="16"
+   height="16"
+   id="svg2"
+   version="1.1"
+   inkscape:version="0.48.1 r9760"
+   sodipodi:docname="questionmark.svg">
+  <defs
+     id="defs4" />
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="0.0"
+     inkscape:pageshadow="2"
+     inkscape:zoom="22.4"
+     inkscape:cx="8.84375"
+     inkscape:cy="7.5892334"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     showguides="true"
+     inkscape:guide-bbox="true"
+     inkscape:window-width="1366"
+     inkscape:window-height="713"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1" />
+  <metadata
+     id="metadata7">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(0,-1036.3622)">
+    <text
+       xml:space="preserve"
+       style="font-size:48.49741744999999327px;font-style:normal;font-weight:normal;line-height:125%;letter-spacing:0px;word-spacing:0px;fill:#333333;fill-opacity:1;stroke:none;font-family:Sans"
+       x="1.6984595"
+       y="1141.1331"
+       id="text2985"
+       sodipodi:linespacing="125%"
+       transform="scale(1.0857356,0.92103457)"><tspan
+         sodipodi:role="line"
+         id="tspan2987"
+         x="1.6984595"
+         y="1141.1331"
+         style="font-size:19.39896583999999891px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-family:Khmer OS;-inkscape-font-specification:Khmer OS;fill:#333333">?</tspan></text>
+  </g>
+</svg>