Slight changes to diff view and style.
Removed inconsistent revision numbers on diff view.
Log the user in after registration if account activation is not needed.
File viewer for attached text files.
Move the file viewer to a partial.
"New Project" link on Projects page for admin users (#1082).
Fixed: notextile tag has no effect.
Unified diff viewer for attached files with .patch or .diff extension (#1403).
Move diff viewer to a partial.
SCM browser: ability to download raw unified diffs.