Implemented EMCY objects.
Added emcy.c and emcy.h
Modified data.h for necessary variables.
Added some EMCY message sendings in TestMasterSlave example.
Modified configure script to define EMCY_MAX_ERRORS.
Modified python scripts to make 1003h object always available (with a callback).

Authors :
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Edouard TISSERANT (www.lolitech.fr)
Francis DUPIN (LIVIC)
Laurent BESSARD (www.lolitech.fr)