updated instruction on how to download features on your local machine.
updated instruction on how to download features on your local machine.

hxkk/u8m_test,slai11/youtube-8m,forwchen/yt8m,KangHsi/youtube-8m,forwchen/yt8m,slai11/youtube-8m,slai11/youtube-8m,mwoodson1/youtube-8m-competition,coded5282/youtube-8m,lidalei/youtube-8m,slai11/youtube-8m,google/youtube-8m,KangHsi/youtube-8m