Set display_published_at when publishing
Allow approval participators to edit articles
Keep creator when editing
Update filenames in body when attached files are changed
Merge branch 'gp_article' of git://github.com/kanety/zomeki-development into kanety-gp_article
Merge branch 'kanety-gp_article'
change import groups for multi-sites
Merge branch 'export' of github.com:mmukai/zomeki-development into mmukai-export
Merge branch 'mmukai-export'
Update Rails to 3.2.19
Update Passenger to 4.0.45
Change tool convert
Merge branch 'tool_convert' of github.com:mmukai/zomeki-development into mmukai-tool_convert
Update schema
Merge branch 'mmukai-tool_convert'
change close_page of gp_article_doc
modify file-transfer
erase　comment
Merge branch 'mmukai-gp_article'
Merge branch 'modify_file-transfer_spec' of github.com:m-miki/zomeki-development into m-miki-modify_file-transfer_spec