Move benchmarks into core

tests/scripts/benchmark.sh

@@ -0,0 +1,36 @@
+#!/bin/sh
+
+CWD=$(dirname "$0")
+if [ "x$JAVA" = 'x' ]
+then
+    JAVA=java
+fi
+
+if [ "x$BENCHMARKS" = 'x' ]
+then
+    BENCHMARKS="$CWD/i2p-benchmarks.jar"
+    stat "$BENCHMARKS" >/dev/null 2>&1
+    if [ "x$?" != 'x0' ]
+    then
+        BENCHMARKS="$CWD/../../core/java/build/i2p-benchmarks.jar"
+    fi
+fi
+
+if [ "x$JBIGI" = 'x' ]
+then
+    JBIGI="$CWD/jbigi.jar"
+    stat "$JBIGI" >/dev/null 2>&1
+    if [ "x$?" != 'x0' ]
+    then
+        JBIGI="$CWD/../../build/jbigi.jar"
+    fi
+fi
+
+CLASSPATH="$BENCHMARKS"
+if [ "x${1:-}" = 'x--jbigi' ]
+then
+    CLASSPATH="$CLASSPATH:$JBIGI"
+    shift
+fi
+
+$JAVA -cp "$CLASSPATH" org.openjdk.jmh.Main "$@"