Merge pull request #233 from ilife5/master

fix dropdown bug
update pager
change doc
Merge branch 'master' of https://github.com/RubyLouvre/avalon.oniui.git
Merge pull request #234 from shirlyLoveU/master

update pager
Merge pull request #235 from gogoyqj/master

修改loading文档
Merge pull request #80 from RubyLouvre/master

merge from RubyLouvre/onionui