* email notifications: host name is missing in generated links (#639, #201)
* email notifications: referenced changesets, wiki pages, attachments... are not turned into links (only ticket ids are)
* attachment links and inline images don't work in issue notes

git-svn-id: https://svn.redmine.org/redmine/trunk@1161 e93f8b46-1217-0410-a6f0-8f06a7374b81