FIX: set default wavelet properties in blank_discrete_wavelet
FIX: set default wavelet properties in blank_discrete_wavelet

This restores property defaults that inadvertently got removed during the split of discrete
and continuous wavelets.

eriol/pywt,eriol/pywt,rgommers/pywt,PyWavelets/pywt,rgommers/pywt,PyWavelets/pywt,grlee77/pywt,grlee77/pywt,michelp/pywt,rgommers/pywt,eriol/pywt,michelp/pywt,michelp/pywt,rgommers/pywt