Make delay between measurements bigger

This is just a temporary solution anyway, ideally we will put the
uC to sleep and have it woken up by an RTC alarm we set beforehand
Reencode Pinning.h as UTF-8
Fix file permissions
Add SunPositionEstimator draft
Add MotorDriver draft
Add SolarPanelPositioner draft
Use GPS module
Use the new class drafts
DataLogger: use the current date as filename

ATTENTION: the filename can only be 8 characters long due to FAT shortcomings