When waiting for a memory server, log it to make it more obvious what is missing

source/RobotAPI/libraries/armem/client/MemoryNameSystem.cpp

@@ -127,9 +127,11 @@ namespace armarx::armem::client
             input.name = memoryID.memoryName;
 
             ARMARX_CHECK_NOT_NULL(mns);
+            ARMARX_INFO << "Waiting for memory server for " << memoryID << " ...";
             mns::dto::WaitForServerResult result = mns->waitForServer(input);
             if (result.success)
             {
+                ARMARX_INFO << "Resolved memory for " << memoryID << ".";
                 return result.server;
             }
             else