[SPR-12530] HttpClient - Replaced Deprecated methods with Non Deprecated methods

Now works without throwing:
Caused by: java.lang.UnsupportedOperationException
        at org.apache.http.impl.client.InternalHttpClient.getParams(InternalHttpClient.java:204)
        at org.springframework.remoting.httpinvoker.HttpComponentsHttpInvokerRequestExecutor.setReadTimeout(HttpComponentsHttpInvokerRequestExecutor.java:130)
        at org.springframework.remoting.httpinvoker.HttpComponentsHttpInvokerRequestExecutor.<init>(HttpComponentsHttpInvokerRequestExecutor.java:85)