Update color_palettes.ipynb
Update color_palettes.ipynb

The names of the default palettes have changed in the mean time.
arokem/seaborn,cwu2011/seaborn,phobson/seaborn,drewokane/seaborn,ebothmann/seaborn,tim777z/seaborn,ischwabacher/seaborn,wrobstory/seaborn,phobson/seaborn,mwaskom/seaborn,dotsdl/seaborn,arokem/seaborn,aashish24/seaborn,lukauskas/seaborn,parantapa/seaborn,sinhrks/seaborn,kyleam/seaborn,olgabot/seaborn,dhimmel/seaborn,lypzln/seaborn,jat255/seaborn,sauliusl/seaborn,oesteban/seaborn,Lx37/seaborn,petebachant/seaborn,Guokr1991/seaborn,gef756/seaborn,dimarkov/seaborn,aashish24/seaborn,JWarmenhoven/seaborn,anntzer/seaborn,mia1rab/seaborn,bsipocz/seaborn,mclevey/seaborn,nileracecrew/seaborn,lukauskas/seaborn,mwaskom/seaborn,muku42/seaborn,q1ang/seaborn,huongttlan/seaborn,clarkfitzg/seaborn,uhjish/seaborn,anntzer/seaborn,ashhher3/seaborn,jakevdp/seaborn