Support for env.
Syncing to latest iron_core.
Minimal iron_core version.
Depend on rake for dev.
Removing test deps (should be in test dir) and runtime detector.
No need to depend on rake.
Don't need json gem dependancy.
Porting to iron_core and version bump.
Removing test related things from main Rakefile/Gemfile
Bundler dep fixed.
Bundler-based gem deps resolving.
Switching to rest wrapper.
Code zip creation.
Initial commit to iron_worker_ruby_ng.