Re-enable akka-kernel and add small sample

Created a new simple version of the microkernel for
inclusion in the akka download and to be able to start
working on sample applications

scripts/microkernel/akka

@@ -1,9 +1,18 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
-AKKA_HOME="$(cd "$(cd "$(dirname "$0")"; pwd -P)"/..; pwd)"
+declare quiet="false"
+
+while true; do
+  case "$1" in
+    -q | --quiet ) quiet="true"; shift ;;
+    * ) break ;;
+  esac
+done
+
+declare AKKA_HOME="$(cd "$(cd "$(dirname "$0")"; pwd -P)"/..; pwd)"
 
 [ -n "$JAVA_OPTS" ] || JAVA_OPTS="-Xms1536M -Xmx1536M -Xss1M -XX:MaxPermSize=256M -XX:+UseParallelGC"
 
 [ -n "$AKKA_CLASSPATH" ] || AKKA_CLASSPATH="$AKKA_HOME/lib/scala-library.jar:$AKKA_HOME/lib/akka/*:$AKKA_HOME/config"
 
-java $JAVA_OPTS -cp "$AKKA_CLASSPATH" -Dakka.home="$AKKA_HOME" akka.kernel.Main
+java $JAVA_OPTS -cp "$AKKA_CLASSPATH" -Dakka.home="$AKKA_HOME" -Dakka.kernel.quiet=$quiet akka.kernel.Main