Refactor TX side

-> Remove ReadTempLib
-> support for ATtiny and Uno

Use PCREL Patch for WinAVR from :
- http://forum.arduino.cc/index.php?topic=168510.0
- https://github.com/TCWORLD/ATTinyCore/tree/master/PCREL%20Patch%20for%20GCC
Add ATtiny85 @ 8MHz