New feature : Spring Expression language as a part of router configuration.

see cli/examples/spel
    <router>
        <serviceProxy name="predic8.com" port="#{myProp.LISTEN_PORT}">
            <path isRegExp="#{myProp.PATH_RE}">.*</path>
            <target host="#{myProp.DEST_HOST}" port="#{myProp.DEST_PORT}" />
        </serviceProxy>
    </router>
Merge pull request #166 from vlk32/spel

New feature : Spring Expression language as a part of router configuration