Merge pull request #229 from shirlyLoveU/master

update pager and dialog
update
Merge branch 'master' of github.com:RubyLouvre/avalon.oniui
Merge pull request #230 from shirlyLoveU/master

update pager
add scrollbar doc
Merge pull request #231 from gogoyqj/master

add scrollbar doc
Merge pull request #40 from RubyLouvre/master

fix pager bug