Fixed error in 2Dsum AB that was auto added to scans, and added a normalized block for XRF that corrects for the negatice meter values
Some changes towards opening having XRFScans open after saving, but without sucess yet.  Low priority after watching real user workflow.
cleanup after merge conflict
Make crystal info feedback labels more robust. Occasionally populated before connection.
Add Auto Region button to setup typical scan regions about a user specified edge energy