change cookie specification from default to standard (duracloud#176)

Resolves: https://duracloud.atlassian.net/browse/DURACLOUD-1333

Author: nwoodward

common/src/main/java/org/duracloud/common/web/RestHttpHelper.java

@@ -25,6 +25,8 @@
 import org.apache.http.auth.UsernamePasswordCredentials;
 import org.apache.http.client.AuthCache;
 import org.apache.http.client.CredentialsProvider;
+import org.apache.http.client.config.CookieSpecs;
+import org.apache.http.client.config.RequestConfig;
 import org.apache.http.client.methods.HttpDelete;
 import org.apache.http.client.methods.HttpGet;
 import org.apache.http.client.methods.HttpHead;
@@ -339,6 +341,9 @@ private CloseableHttpClient buildClient(HttpClientBuilder builder,
             builder.disableContentCompression();
         }
 
+        // Set CookieSpec to STANDARD for RFC 6265 compliant policy
+        builder.setDefaultRequestConfig(RequestConfig.custom().setCookieSpec(CookieSpecs.STANDARD).build());
+
         return builder.build();
     }