added sanity checks for config file
changed so that ndb_0 is replaced by ndb_pid#### in ndb files
added error_string for to some functions, alloc_node_id(), start()
added better error printout for failed alloc node id
better error printouts for failures when starting ndb_mgmd


ndb/include/mgmapi/mgmapi.h:
  added method to retrieve mysqld, ndbd, and ndb_mgmd aliases for API,MGM and DB
ndb/src/common/mgmcommon/ConfigInfo.cpp:
  added sanity checks for config file
ndb/src/common/mgmcommon/NdbConfig.c:
  changed so that ndb_0 is replaced by ndb_pid#### in ndb files
ndb/src/kernel/error/ErrorReporter.cpp:
  removed usage of tracefile early in startup (when it's normally filled with zeroes)
ndb/src/mgmapi/mgmapi.cpp:
  added method to retrieve mysqld, ndbd, and ndb_mgmd aliases for API,MGM and DB
ndb/src/mgmsrv/MgmtSrvr.cpp:
  added error_string for to some functions, alloc_node_id(), start()
ndb/src/mgmsrv/MgmtSrvr.hpp:
  added error_string for to some functions, alloc_node_id(), start()
ndb/src/mgmsrv/Services.cpp:
  added better error printout for failed alloc node id
ndb/src/mgmsrv/main.cpp:
  better error printouts for failures when starting ndb_mgmd