fix #732
closed #732
Merge pull request #733 from mikspark/732-gallery-description

fix #732
closed #738
closed #737
fix dowload link
fix README
Merge branch 'master' of github.com:yupe/yupe into 738-install-yupe-module
Merge branch '738-install-yupe-module' of github.com:mikspark/yupe into 738-install-yupe-module