Implement lockfile overwrite option for Install service
Add basic `update` command to rebuild policyfile.lock.json
Extract UI object tests to shared example group
Merge branch 'simple-update-cmd'
Remove outdated method comment
Actually use custom cookbook in test.

Test for custom `generator-cookbook` wasn't forcing options to be
parsed, so it did not test the behavior it was supposed to test.
Allow generator cookbooks with arbitrary names

* generator cookbooks can be named anything
* the argument to the `--generator-cookbook` option is now the path to
  the cookbook, rather than its parent directory (old way works for
  compatibility). This should be more obvious to new users.
Wrap exceptions from ChefRunner in ChefRunnerError
Added appveyor yaml
Extract custom generator tests to shared.
Merge branch 'custom-generator-names'
Merge pull request #269 from opscode/jdm/appveyor

Added appveyor yaml
Add missing requires for chef/workstation_config_loader
Allow generator cookbook to be configured in config file
Re-use shared config loading code in push and export
Merge branch 'configure-generator-configrb'
Update CHANGELOG for recent generator and policyfile enhancements
add chef_repo cookbook source

allows pulling the universe to depsolve from a local monolithic chef_repo path.
fix busted specs
remove path that only exists on my laptop