#113 initial commit of new modbus implementation
#113 create test files for modbus slave, ascii and transport
#113 create new file ciaaModbus_protocol.h
#113 eliminate macros and include ciaaModbus_protocolo.h in ciaaModbus_slave.h
#113 add ciaaModbus_gateway
#113 add function prototype read/write multiple registers
#113 add function prototype ciaaModbus_slaveClose
#113 improve names
#113 improve names
#113 add ciaaModbus_master
#113 fix comment
#113 create first modbus master service
#113 improve modbus gateway api
#113 improve modbus api
#113 update Makefile.config from master branch
#113 rename configuration file modbus
#113 rename macro name in ciaaModbus_slave.h
#113 implementation ciaaModbus_slaveOpen()
#113 implementation ciaaModbus_transportOpen()
#113 improve ciaaModbus_transportOpen()