v0.25.0

• Add --registry-insecure flag to work with HTTP registry endpoints
• Deduplicate and prune out null annotations
  • Thanks for @jbrunton
• Swallow dup close file error during unpackage command

6416225ed6b66b4aad7ff3637c5bbd0930a8e2c4644b3cd4218eb40923586813  ./kbld-darwin-amd64
e998d54944d3b0915d4c78c3fa604163c89b9951ac1dcbdc380075cfd5aead29  ./kbld-linux-amd64
76008efbe561b39bc1a213c789e643a7082221f965e4a59a1932d6c1af2b9e68  ./kbld-windows-amd64.exe

(Installation instructions: https://k14s.io/#install-from-github-release)