Bump versions for release 2.3.2
Add .pre for next release
Don't crash on nil environment definition
Merge pull request #175 from gtd/fix-nil-environment-definition

Legacy ey.yml crashes `ey environment` opaquely
Update README to include message about Ruby 1.8 support
Update .travis.yml to only ruby targets >= 1.9.3
Require ruby version 1.9.3 moving forward
Ruby 1.9 ALL the hashes!
Update gemspec to cloud-client 2.0.1 for deprecation fix