Working on MCP230xx I2C extender support.
Beefed up I2C Registers.
Moved some classes into correct location :)

--HG--
rename : i2c/core/src/main/scala/org/podval/iot/core/Address.scala => i2c/core/src/main/scala/org/podval/iot/i2c/core/Address.scala
rename : i2c/core/src/main/scala/org/podval/iot/core/Bus.scala => i2c/core/src/main/scala/org/podval/iot/i2c/core/Bus.scala
rename : i2c/core/src/main/scala/org/podval/iot/core/Functions.scala => i2c/core/src/main/scala/org/podval/iot/i2c/core/Functions.scala
rename : i2c/core/src/main/scala/org/podval/iot/core/I2c.scala => i2c/core/src/main/scala/org/podval/iot/i2c/core/I2c.scala
rename : i2c/core/src/main/scala/org/podval/iot/core/I2cExeption.scala => i2c/core/src/main/scala/org/podval/iot/i2c/core/I2cExeption.scala
rename : i2c/core/src/main/scala/org/podval/iot/core/Register.scala => i2c/core/src/main/scala/org/podval/iot/i2c/core/Register.scala
rename : i2c/core/src/main/scala/org/podval/iot/core/Transaction.scala => i2c/core/src/main/scala/org/podval/iot/i2c/core/Transaction.scala