add external_eeprom lib
add block read functions to iic lib
change adress
add to clean: remove recent.txt
finish external eeprom driver
Merge commit '0701a47e2220338b1a9bd51d32bf4f04ee170988' into Master
Merge pull request #186 from tawarisch/master

Android: rename namespace from biz.bruenn to de.wylight
change android app link in webpage
add PCB schematic files for hardware revision 6