Moved temp sensor tables from type 6 to 1

Thanks to printbus for all the clarity on why we should be using the
stock Marlin thermistortables.h and type 1:
http://3dprintboard.com/showthread.php?6142-Comparison-of-Type-1-and-Typ
e-6-thermistortables-h-data
Merge pull request #1 from beckdac/Marlin_v1

Update from original repo:  Moved temp sensor tables from type 6 to 1