[JENKINS-38960 Follow-up] We don't have the rights to use the Apache …

…Feather

- The Maven Mascot is permitted to be used, so we will use the mascot

src/images/make-inkscape.sh

@@ -0,0 +1,19 @@
+#!/bin/sh -e
+
+dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+for src in "$dir"/*.svg
+do
+  echo "Processing $(basename "$src")..."
+  file=$(basename "$src" | sed -e s/.svg/.png/ )
+  for sz in 16 24 32 48
+  do
+    mkdir -p "${dir}/../../src/main/webapp/images/${sz}x${sz}"
+    dst="${dir}/../../src/main/webapp/images/${sz}x${sz}/${file}"
+    if [ ! -e "$dst" -o "$src" -nt "$dst" ]
+    then
+      echo -n "  generating ${sz}x${sz}..."
+      mkdir "${dir}/../../src/main/webapp/images/${sz}x${sz}" > /dev/null 2>&1 || true
+      inkscape -z -C -w ${sz} -h ${sz} -e "$dst" "$src" 2>&1 | grep "Bitmap saved as"
+    fi
+  done
+done