Rebuild search index when server is running

As an administrator I would like to be able to rebuild the entire search index going to Administration -> Maintenance -> Search Index and clicking the Rebuild Search Index button.
The Search Index link is currently missing and must be added.

Relevant links:
http://docs.jboss.org/hibernate/search/5.2/reference/en-US/html/manual-index-changes.html#search-batchindex-massindexer
https://github.com/openmrs/openmrs-core/blob/master/api/src/main/java/org/openmrs/api/db/hibernate/HibernateContextDAO.java#L470