more logging of exceptions
adding more nullpointer checks
Merge branch 'master' of github.com:rcsb/symmetry
adding check for minimum length to avoid runtime exceptions
Cleaning up ScanSCOPForSymmetry

* Improved variable names
* Made Runnable (already implemented methods)
Adding refinement option to CeSymm
Allow algorithm to be changed for Census
Removing doRefine properties in favor of custom algorithms

Rather than propogate a doRefine flag through the census classes,
just create a new AlgorithmGiver that sets the CeSymm RefineResult property.
Fixed Log4J configuration (wrong package name).
Set ScopFactory to 1.75B in CESymmGUI.
Created temporary guessOrder() method.