Bug 561121: [Runtime] Enhance AppEnvironment

  - Fix Bundles.detectEntry in packed Spring Boot applications
  - Fix creation of jar files

Follow-up-to: c923929e24f578332bfdb973a691c2d7f63bfabb
Change-Id: I5c29bacd13c80569f3eac085c4c2a1b0ffbbd1c8
5 files changed