[MOD] New way to calculate the XP.
Every minute get the acceleration.
Do average of it, and check the divergence between the new acceleration data and the average.
Use the smallest divergence as base for the max possible XP of the minute.
Reset the average every 10 occurences.
[ADD] Build file
Merge pull request #4 from Belphemur/master

Finally a good way for the XP