bug fix adjusts indentation for 2 blocks from prev commit d0c0c07

fixes mistaken indentation for error-checking blocks
bug fix in lnProbVMapModel giving scope to sim.ellModel
fix inconsistent default args in contourPlotAll

Needs lnprobs array in order to plot max or peakKDE, so changed the
latter to False by default. Updated args that ensemblePlots sends
to contourPlotAll (still need to update modelConstraintPlot)
updated args to contourPlotAll in modelConstraintPlot w/ lnprobs