- add ndb_share connect_count to decide if share can be reused to setup replication


sql/ha_ndbcluster.cc:
  add additional logging info
  remove inline real_free_share (not needed) and confuses valgrind printout
sql/ha_ndbcluster.h:
  add connect_count to ndb_share to enable checking for version of share
sql/ha_ndbcluster_binlog.cc:
  use ndb_share connect_count to decide if share can be reused to setup replication
  - share will be created early if table is accessed prior to handler setting up binlog stuff, see bug 26021
sql/ha_ndbcluster_binlog.h:
  remove inline real_free_share (not needed) and confuses valgrind printout