Don't ignore src_alt; BOSH must complain if non-empty
Bump src/tools:

Bleicke & Bob Nugmanov (1):
  collector: remove framework, runtime references
Merge remote-tracking branch 'origin/release-candidate'
Update gorouter

$ git shortlog 4f8d7b3..c6a221c
Alex Suraci, Dmitriy Kalinin and Pieter Noordhuis (1):
      Add access logger

James Bayer (1):
      Added routes endpoint info
add cf-release to Checkfile.issues
Bumped yetis (now uses parallel_tests)