* Changed the implementation of ndbcluster_find_files to be more efficient, using only one mutex lock
* Moved ha_find_files to end of mysql_find_files so that it can be passed the list that we are interested to find. 


mysql-test/t/ndb_autodiscover.test:
  Added a new test case, disabled for now, waiting for mysql-test-run to set a NDB_CONNECTSTRING
sql/ha_ndbcluster.cc:
  Rewrite of ndbcluster_find_files to remove and delete files using only one mutex lock. 
  This version only discover files that fulfill wildcard.
sql/ha_ndbcluster.h:
  Add list of files as parameter
sql/handler.cc:
  Add list of files as parameter
sql/handler.h:
  Add list of files as parameter
sql/sql_show.cc:
  Moving the ha_find_files to end of function, so that the file lista can be passsed to it.
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted