GPII-864: Add licence file
GPII-864: add licence header
GPII-864: correct URL for Kettle licence in GPII
GPII-864: add licence header
GPII-864: add licence header

I suppose this header can be generated with the rest of the data in future version.
Merge pull request #1 from cstrobbe/patch-1

GPII-864: licence file and licence headers for STMM