private String startedBundlesMessage(List<Bundle> bundles) {
        StringBuilder sb = new StringBuilder("Started bundles: {");
        for (Bundle b : bundles)
            sb.append("[" + b.getBundleId() + "]" + b.getSymbolicName() + ":" + b.getVersion() + ", ");
        sb.setLength(sb.length() - 2);
        sb.append("}");
        return sb.toString();
    }
@author Simon Thoresen Hult
@author gjoranv
jdisc_core/src/main/java/com/yahoo/jdisc/core/FelixFramework.java