(issue #10873) Fixes missing version on roadmap

Bugs with a target version that is inherited from a parent project
are not shown on the roadmap.
This fixes this and leaves the caching feature intact.
Whitespace, remove commented code and unnecessary cast
Fix #10873: version inheritance in roadmap and changelog

Many thanks to Peter Bruin for providing a fix for this long-standing
issue.
Backport travis_before_script.sh from master branch

- remove crypto_master_salt
- inherit_global is int, not bool
Fix #16513: XSS in account_sponsor_page.php project names

account_sponsor_page.php.php does not correctly sanitise project
names. It is thus possible for a malicious user with project
manager access permissions (or higher) to let users execute
malicious JavaScript when visiting account_sponsor_page.php.
Add progress messages to unattended upgrade script.
Localisation updates from http://translatewiki.net.