Token Introspecting Client Config

Steve write stuff here.

In applicationContext.xml:

    <bean id="IntrospectingService" class="org.mitre.oauth2.introspectingfilter.IntrospectingTokenService">
        <property name="clientId" value="cws.dictionary"/>
        <property name="clientSecret" value="dictionary.secret"/>
        <property name="introspectionUrl" value="${idp.url}introspect"/>
    </bean>   ```