Merge pull request #1 from myhere/master

merge to gallery
Merge pull request #2 from myhere/master

fix guide file encoding
优化ald的实现
优化webp的实现
Merge pull request #5 from kunhualqk/master

优化Webp的实现，修正调试代码的问题
fix conflict when merge
add 1.0.1
Merge branch 'master' of https://github.com/kissygalleryteam/datalazyload
fix version in document