gantt: completed percent truncated instead of rounded (#14737)

Contributed by Jérôme BATAILLE.

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4013137
add support for pop3s (SSL) to redmine:email:receive_pop3 (#16707)

Contributed by Eric Davis.

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%4013138