remove compiler warning EventLogger.cpp
    Bug#26176 NdbObjectIdMap::expand unable to expand!! mysqld got signal 11
     - partial fix
     - object map to handle failed realloc



mysql-test/ndb/ndb_config_2_node.ini:
  backport some mysql-test ndbcluster things from 5.1
mysql-test/ndb/ndbcluster.sh:
  backport some mysql-test ndbcluster things from 5.1
ndb/src/common/debugger/EventLogger.cpp:
  remove compiler warning
ndb/src/ndbapi/ObjectMap.hpp:
  Bug#26176 NdbObjectIdMap::expand unable to expand!! mysqld got signal 11
   - partial fix
   - object map to handle failed realloc