Improve FAT16 example sketch; more statistics and support for data logging shield.
Improve FAT16 example sketch; more statistics and support for data logging shield.

dansut/Cosa,mikaelpatel/Cosa,mikaelpatel/Cosa,mikaelpatel/Cosa,jeditekunum/Cosa,dansut/Cosa,mikaelpatel/Cosa,dansut/Cosa,dansut/Cosa,jeditekunum/Cosa,jeditekunum/Cosa,jeditekunum/Cosa