Rework of campus student export script for java 7
modules work for ecampus data collection and upload
modules work for ecampus data collection and upload
use standard library for diff
Move initial context to test; take out absolute path; more debug in sortedDiff
InitialContext back in main
work with europa maven repository; fix NPE on null to string;
move updated to use java.nio libraries; fix needed to work under Windows PowerShell
move updated to use java.nio libraries; fix needed to work under Windows PowerShell

mend
libraries up to java 7
merge conflicts