Fixed confusion matrix output (was rotated).  Also now calculates Sensitivity and Specificity explicitly
Added some notes
Merge branch 'master' of https://github.com/CellProfiler/CellProfiler-Analyst
Make the order of load_objects's returned feature vectors match input.

They are now in the same order as the list of object keys given as
input.
Merge branch 'master' of github.com:CellProfiler/CellProfiler-Analyst

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Support for Euclidean and cityblock distances
Fix #37: Detect failed HTTP download and show reasonable error message