[RocksDB] Move table.h to table/

Summary:
- don't see a point exposing table.h to the public.
- fixed make clean to remove also *.d files.

Test Plan: make check; db_stress

Reviewers: dhruba, heyongqiang

Reviewed By: dhruba

CC: leveldb

Differential Revision: https://reviews.facebook.net/D10479

table/two_level_iterator.cc

@@ -4,9 +4,9 @@
 
 #include "table/two_level_iterator.h"
 
-#include "leveldb/table.h"
 #include "table/block.h"
 #include "table/format.h"
+#include "table/table.h"
 #include "table/iterator_wrapper.h"
 
 namespace leveldb {