Now we need someone to write a script to go through each diagram and do a "diff" between 2014 and 2015.
Linux!
I love diff, but what you really need to try is "meld".... once I discovered that sucker, it changed everything!
I like tkdiff, I've never heard of "meld". I just typed it in and got:
No module named pygtk
Meld requires pygtk2.6.0 or highertkd