Add the new logo

I bought this logo from the excellent logojoy.com site, and am including
the source files here to be covered under the project license (GPL).

resources/logo/web/svg/square.svg

@@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<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"
+   version="1.1"
+   width="900"
+   height="900"
+   id="svg3923"
+   sodipodi:docname="square.svg"
+   inkscape:export-filename="/tmp/test.png"
+   inkscape:export-xdpi="96"
+   inkscape:export-ydpi="96"
+   inkscape:version="0.92.2 2405546, 2018-03-11">
+  <metadata
+     id="metadata3929">
+    <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>
+  <defs
+     id="defs3927" />
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1"
+     objecttolerance="10"
+     gridtolerance="10"
+     guidetolerance="10"
+     inkscape:pageopacity="0"
+     inkscape:pageshadow="2"
+     inkscape:window-width="3840"
+     inkscape:window-height="2096"
+     id="namedview3925"
+     showgrid="false"
+     inkscape:zoom="1.1360927"
+     inkscape:cx="635.07139"
+     inkscape:cy="606.383"
+     inkscape:window-x="0"
+     inkscape:window-y="27"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="g3921" />
+  <g
+     transform="matrix(10.638298,0,0,10.638298,106.38298,-206.38301)"
+     id="g3921">
+    <defs
+       id="SvgjsDefs1018" />
+    <g
+       id="SvgjsG1019"
+       featureKey="root"
+       style="fill:#ffffff" />
+    <g
+       id="SvgjsG1020"
+       featureKey="symbol1"
+       transform="matrix(0.10341565,0,0,0.10341565,-11.43874,18.048418)"
+       inkscape:export-filename="/tmp/test.png"
+       inkscape:export-xdpi="116.02285"
+       inkscape:export-ydpi="116.02285"
+       style="fill:#17541f">
+      <defs
+         id="defs3911" />
+      <g
+         id="g3915">
+        <path
+           d="M 231,798 C 227,779 219,741 218,741 49,640 69,465 125,365 c 12,126 235,213 105,367 -1,2 6,26 12,48 26,-44 65,-97 63,-102 C 145,288 645,258 749,16 c 47,234 -24,596 -426,688 -2,1 -73,126 -76,127 0,-2 -30,-1 -26,-11 2,-6 6,-14 10,-22 z M 330,625 C 267,476 452,312 544,271 356,439 324,564 330,625 Z m -104,79 c 51,-59 -9,-160 -45,-193 61,105 57,166 45,193 z"
+           style="fill:#17541f"
+           id="path3913"
+           inkscape:connector-curvature="0" />
+      </g>
+    </g>
+  </g>
+</svg>