by qianjun;change coding style...
Merge branch 'master' of https://github.com/RubyLouvre/avalon.oniui.git
by qianjun;finish tooltip,add examples and docs
Merge branch 'master' of https://github.com/RubyLouvre/avalon.oniui.git
by qianjun;fix bugs
by qianjun;fix bugs
by qianjun;fix bugs
Merge pull request #58 from gogoyqj/master

优化tooltip