Don't give warnings when opening a wrong control file in ma_control_file_t (unit test)


BitKeeper/deleted/.del-ma_key_redo.c:
  Delete: storage/maria/ma_key_redo.c
storage/maria/ma_blockrec.c:
  Don't give warnings when reading blocks when we know the block may not exist
storage/maria/ma_pagecache.c:
  Keep a convinience copy of readwrite_flags
storage/maria/ma_pagecache.h:
  Keep a convinience copy of readwrite_flags
storage/maria/unittest/ma_control_file-t.c:
  Don't give warnings when opening a wrong control file