[improvement] Showed weekends on Project Roadmap (4m)
[improvement] Added the ability to lock milestones (40m)
[skip] Improved roadmaps' style (1m)
[improvement] Styled the Milestone view more consistently with the Sprint view (15m)
[improvement] Made milestones in the global roadmap view links (5m)
[improvement] Allowed sorting tickets within a milestone (1.2h)
[improvement] Allowed viewing each ticket in a milestone (15m)
[refactor] Extracted the AddTicketView from EditMilestoneView (10m)