5.1.0

• Chris Rankin - Add ManifestAppenderTransformer to support appending to Jar manifest #474
• Min-Ken Lai - Additional escaping fixes in start script #487
• Alan D. Cabrera - Automatically remove gradleApi from compile scope in the presence of shadow #459
• Christian Stein - Do not initialize UnusedTracker when not requested #480, #479
• Attila Kelemen - Fix NullPointerException when using java minimization and api project dependency with version #477