Create minified svgs + minor formatting change

res/tub_floorplan.svg

@@ -38,11 +38,11 @@
      borderopacity="1.0"
      inkscape:pageopacity="0.0"
      inkscape:pageshadow="2"
-     inkscape:zoom="1.81"
-     inkscape:cx="583"
-     inkscape:cy="848.5"
+     inkscape:zoom="0.905"
+     inkscape:cx="989.1"
+     inkscape:cy="798.5"
      inkscape:document-units="mm"
-     inkscape:current-layer="eg_map_markers"
+     inkscape:current-layer="eg_subjects"
      showgrid="false"
      units="mm"
      inkscape:window-width="1920"