Remove debugger from 'test' bundler group

Per Travis CI: http://about.travis-ci.org/docs/user/languages/ruby/#Exclude-non-essential-gems-like-ruby-debug-from-your-Gemfile
Fixed /info endpoint for compiled_package_cache extras
Fixed package_compiler to use correct Config.use_compiled_package_cache? method
bug fix for log output shorter than 100 lines
add support for compiled_package_cache to bosh_deployer
add test for forcefully adding key pair
bosh deployer progress render supports global -P option
print stemcell build stage before configuring and applying
remove incorrect safeguards in key pair deletion

[#42828011]
boot aws create/bootstrap system step in CI won't attempt bosh task last on fail
umount loopback and bind mounts in ci_build_stemcell.sh
fix system spec helper run_bosh for debug_on_fail logic
Extracting key pair creation logic from vpc creation.

[#42828011]
Add 'head /resources/id' route to check for blob existence
added #exists?(object-id) to simple_blobstore_client
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  added #exists?(object-id) to simple_blobstore_client
  Add 'head /resources/id' route to check for blob existence
  Extracting key pair creation logic from vpc creation.
  fix system spec helper run_bosh for debug_on_fail logic
  umount loopback and bind mounts in ci_build_stemcell.sh
  boot aws create/bootstrap system step in CI won't attempt bosh task last on fail
  remove incorrect safeguards in key pair deletion
  print stemcell build stage before configuring and applying
  bosh deployer progress render supports global -P option
  add test for forcefully adding key pair
  add support for compiled_package_cache to bosh_deployer
  bug fix for log output shorter than 100 lines
  Fixed package_compiler to use correct Config.use_compiled_package_cache? method
  Fixed /info endpoint for compiled_package_cache extras
  Remove debugger from 'test' bundler group