Changed some defaults
Changed some defaults

1. zeroPosteriorProbs can always be recovered from zeroPosteriorProbs =
FALSE but not the other way around.

2. lastSample = NULL means that the same number of samples will be
taken as in previous iterations.

3. isingWprior shouldn’t be making a huge difference, and is harder to
understand then the standard neighborhood selection.

RGLab/flowReMix,RGLab/flowReMix,RGLab/flowReMix,RGLab/flowReMix