Merge pull request #480 from arutk/lru_fix4

Clear hot flag when removing node from LRU list

src/eviction/lru.c

@@ -170,6 +170,7 @@ static void remove_lru_list(ocf_cache_t cache,
 		node->prev = end_marker;
 	}
 
+	node->hot = false;
 	--list->num_nodes;
 }