add ignore key for tree
change doc
Merge branch 'master' of https://github.com/RubyLouvre/avalon.oniui.git
Merge branch 'master' of https://github.com/RubyLouvre/avalon.oniui.git
Merge branch 'master' of https://github.com/RubyLouvre/avalon.oniui.git
Merge branch 'master' of https://github.com/RubyLouvre/avalon.oniui.git
Merge branch 'master' of https://github.com/RubyLouvre/avalon.oniui.git
Merge branch 'master' of https://github.com/RubyLouvre/avalon.oniui.git
by qianjun;change smartgrid
Merge pull request #412 from gogoyqj/master

同步smartgrid修改