Hi cf-dev,

This is a final reminder that we will be cleaning up the various scripts
that had sprawled across cf-release, deleting unused ones and moving the
rest to the scripts directory.

Moves:
* bosh-lite/make_manifest -> scripts/generate-bosh-lite-dev-manifest
* generate_deployment_manifest -> scripts/generate_deployment_manifest
* update -> scripts/update
* update.bat -> scripts\update.bat

Deletions:
* scripts/travis/install_spiff
* check_travis.rb
* outdated
* outdated_stats
* the entire "shared" submodule

Please update your workflows, dev tooling, and CI scripts to reflect the
upcoming changes.

Best,
Amit