Added
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- example script for systemd service
- RSS feed for repositories
- milestones can be closed and re-opened
- show tickets on milestone detail page
- increasing time delay for failing login attempts
- unlocking of locked accounts
- more detailed error page for users upon possible CSRF errors
- forgot password functionality

Changed
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- major code reformat due to change of indentation for Scala to 4 spaces
- updates to code style guidelines
- show full path in title attribute of web page in repository file browser

Fixed
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- HTML/CSS issues
- RSS whitespace issues
- extension for filename when downloading repository archive not correct
- unicode filename issues in repository archive
- unicode issues in the repository file browser
- properly render html meta tags