removed device-specific code, so the DEVICE ACCESS permission is no
longer needed
created new branch and started trying to integrate barcode scanner. no success so far
replacing uri intent call by new Intent(this,CaptureActivity.class)
	Typänderung: zxing
Added Code from Google ZXing project to include barcode scanner.
Starting the scanning intent is already working, but it does not return,
yet.
re-packed sources
Revert "replacing uri intent call by new Intent(this,CaptureActivity.class)"

This reverts commit 2da56a5711d9ba30d40c0d3ecfe5614f41a50416.

Conflicts:
	src/com/srsoftware/allergyscan/LearningActivity.java
	src/com/srsoftware/allergyscan/MainActivity.java
	zxing
added a readme file and a copy of the Apache License version 2.0
corrected typos
Removed old code
added TODO