Tucker Shea

Resolves #8115. Bundler explicitly provides both `bundle` and `bundler` executables. Therefore, it should be possible to resolve both via `Gem.bin_path`. Special handling is required because bundler lives outside of the...

### Describe the problem as clearly as you can Bundler provides the executables `bundle` and `bundler`. Convention is to use `bundle`, but if the bundler gem itself is in your...