Remove lodash from admin client.

* Adds `bind`, `isFinite`, and `isNumber` utility functions from lodash.
* Use new util funtions instead of lodash throughout the codebase.
* Remove lodash from vendor builds.
Fix up PR #3491, remove lodash from admin

Refs #3491
Merge pull request #4329 from jaswilli/remove-lodash-requirement

Remove lodash from admin client (updates PR #3491)