Added a few customer-requested pins; deleted non-X11 colours pins

resources/public/img/map-pins/colours/Blank-pin.svg

@@ -18,9 +18,9 @@
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-   inkscape:export-filename="/home/simon/workspace/geocsv/resources/public/img/map-pins/basic_map_pin.png"
-   inkscape:export-xdpi="11.98"
-   inkscape:export-ydpi="11.98"
+   inkscape:export-filename="/home/simon/workspace/geocsv/resources/public/img/map-pins/Developer-pin.png"
+   inkscape:export-xdpi="95.965683"
+   inkscape:export-ydpi="95.965683"
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@@ -34,9 +34,9 @@
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-     inkscape:zoom="7.919596"
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+     inkscape:zoom="11.2"
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