testIndex -n NFNR1

Bugs in scan(tc)
        nf-handling(api)
        exec-handling(tc)


ndb/include/ndbapi/NdbConnection.hpp:
  Allow dropped signal during NF handling
ndb/include/ndbapi/NdbOperation.hpp:
  Add option to allow dropped signals
ndb/src/kernel/blocks/dbtc/DbtcMain.cpp:
  1) Printer for state
  2) New option to sendtckeyconf (index)
     - clear exec flag
  3) Moved init of *global* apiConnectptr to
     prevent errornous scan_tabconf
     ARGH!!!
ndb/src/ndbapi/NdbConnection.cpp:
  Move abort from checkState_trans
  since it can be ok with "illegal" signals during NF handling
ndb/src/ndbapi/NdbConnectionScan.cpp:
  Move abort from checkState_trans
  since it can be ok with "illegal" signals during NF handling
ndb/src/ndbapi/Ndbif.cpp:
  1) Indentation
  2) Better handling of TCKEY_FAILCONF
  - always ack commit ack marker
    even if transaction has already been removed
  3) abort on 4012 (VM_TRACE)
ndb/src/ndbapi/TransporterFacade.cpp:
  Don't trace APIREG_REQ/CONF by default
ndb/test/include/NDBT_Test.hpp:
  Atomic decProperty (used for semaphore impl.)
ndb/test/ndbapi/testIndex.cpp:
  Impl. option to sync restarts
ndb/test/src/NDBT_Test.cpp:
  Atomic decProperty

ndb/test/include/NDBT_Test.hpp

@@ -63,6 +63,8 @@ public:
   bool getPropertyWait(const char*, Uint32);
   const char* getPropertyWait(const char*, const char* );
 
+  void decProperty(const char *);
+  
   // Communicate with other tests
   void stopTest();
   bool isTestStopped();