startup fix
adapt analysis view to new sampling mechanism
add median and quantiles to analysis view
minor fix
add contrast to white as a quality measure
Add color apperance divergence ratio measures

Though only really added to the latex table, as this is a bit too expensive and already
in the analysis view where it is easier to compute.

This is untested, except for the computation.
Merge pull request #8 from simonthum/master

Add global measures: contrast to white and quantiles of the color to colormap distance ratio