add submodule for I2C_IO_BOARD
- add DefaultHandler
- add FC specific handling
	* handleReadAccess
	* checkWriteAccess
	* handleWriteAccess
- add DefaultHandler
- add HandlerList
- add HandlerParam
- bugfix Mutex
- bugfix Server implementation (remove bad pool pointer)
- change Slavelist implementation to inline
- bugfix threadpool mutex usage
- add VirtualRTUSlave class
add I2C
- bugfix MultiByteHandler
- remove I2CSlave.cpp
- add default I2C EEPROM handling (0..128 -> MultiByteHandler)
- move DefaultHandler -> handler
- add MultiRegisterHandler
- add SRegisterHandler
- add SummerySlave
- add I2CScanner
- add build_options
- update Connection

IOBoardSlave:
- change special handler to auto_ptr
- change SlaveList
VirtualRTUSlave
- add getType (0x00)

MB_Gateway
- add scanner
- add SummerySlave(255)

- update MB_Framework version