Fix for ruby1.9.3.
Removed useless permission check in wiki controller.
Adds export of all wiki pages to a PDF file (#3463).
Check parent wiki page by default.
Adds bookmarks to PDF when exporting a grouped issue list.
Fixed that tag[0] may be nil.
remove trailing tabs from app/views/news/_form.html.erb
Enable attached images to be displayed inline on the news list.
Allows attachments on news (#1972).
Locales update.
