Repair Shared Stops Validator

[miles-grant-ibigroup]

Checklist

• [x] Appropriate branch selected (all PRs must first be merged to dev before they can be merged to master)
• [x] Any modified or new methods or classes have helpful JavaDoc and code is thoroughly commented
• [x] The description lists all applicable issues this PR seeks to resolve
• [x] The description lists any configuration setting(s) that differ from the default settings
• [x] All tests and CI builds passing
• [ ] The description lists all relevant PRs included in this release (remove this if not merging to master)
• [ ] e2e tests are all passing (remove this if not merging to master)

Description

The shared stops validator was built on incomplete data. As a result, most of the validators didn't work correctly. This PR resolves these, adding support for the file in the way it was meant to be used.

Also adds support for the columns being in any order

[miles-grant-ibigroup]

Thanks for the feedback! All addressed