Commit to save working version
Fix R error by changing the UI level to match the manifest
Finish coding and test... program not working
First working version
Screen navigation works.  Displaying screen and capturing data works.
Saving data is not working. Getting ready to add logic to create the
properties file if it does not exists while trying to write.
Saving because abondoning writing to properties file to using shared
preferences
Added core.jar to libs and created two more classes, Contents.java and
QRCodeEncoder.java, based on http://stackoverflow.com/questions/4782543
/integration-zxing-library-directly-into-my-android-application?rq=1.