redmine-a1-theme v1.0.2 - compatible with Redmine 3.3

• Improvements for task prefixes:
  • ★ for "assigned to me" tasks,
  • ☆ for "assigned to my group" tasks,
  • ✔ for "verified" tasks (custom class not available for vanilla Redmine).
• Prefix code reviews by blue pipe (tracker-6 used as tracker class).