Pass bandwidth to scipy bivariate kde
Pass bandwidth to scipy bivariate kde

Fixes #1411

phobson/seaborn,anntzer/seaborn,lukauskas/seaborn,mwaskom/seaborn,arokem/seaborn,sauliusl/seaborn,arokem/seaborn,lukauskas/seaborn,anntzer/seaborn,mwaskom/seaborn,petebachant/seaborn,phobson/seaborn