title: How to update existing table JHipster sample app?
body: <p>I have created an entity called "<strong>event</strong>" using command <strong>yo jhipster:entity event</strong> while creating I forgot add one column let's say "<strong>event_title</strong>" so, I have added this(event_tile) column manually in liquibase changelog xml. Now how to update <strong>event</strong> table with newly added column?</p>