Ignore ramcloud from coverage

Change-Id: I57b9445b103fbde47d8f584c58d75f68c04dd3d7
diff --git a/pom.xml b/pom.xml
index 8356dd6..adc9a73 100644
--- a/pom.xml
+++ b/pom.xml
@@ -256,6 +256,7 @@
               <ignore>org.slf4j.*</ignore>
             </ignores>
             <excludes>
+              <exclude>edu/stanford/ramcloud/**/*.class</exclude>
               <exclude>org/openflow/**/*.class</exclude>
               <exclude>net/floodlightcontroller/**/web/**/*.class</exclude>
             </excludes>