* Split out location extraction into plugin config
* Reduce set of exported function, rebase to current master
* Pass custom locStart/locEnd fn's directly to affected methods
* (wip) always use locStart/locEnd from plugin
* Convert graphql implementation
* Convert HTML implementation
* (wip) convert JS implementation
* Remove unused variables
* Continue conversion of JS implementation
* Replace "util.locStart" with direct call to "options.locStart"
* Remove util closure
* Add unit test for structure of shared util
* Fix linting error, simplify locStart/End implementations