WL#1747 and #1746 allow user to decide if ordered index should be created or not


BitKeeper/deleted/.del-AttrType.hpp~a9b2d6efcf660378:
  Delete: ndb/include/ndbapi/AttrType.hpp
sql/ha_ndbcluster.cc:
  Removed the NDB_ERR_CODE_OFFSET, ndb and handler error codes should not clash
  Encapsulated functionality to cache information about known indexes into buil_index_list
  Added detection of algorithm from key_info in function get_index_type_from_table
  Updated read_range_first and records_in_range to work wih new prototype.
sql/ha_ndbcluster.h:
  WL#1746 and WL#1747 Added ability to skip creating an ordered index in addition to the hash index if the user so wishes.
  Modified get_error_message to return error messaga in a String datatype, in that way the String class will take care of wheter the "data" has to be freed or not.
sql/handler.cc:
  Use String datatype as ouput parameter of get_error_message.
sql/handler.h:
  Changed the function prototype for getting error messages from handler to use String datataype