Fix reverse user link
Fix reverse user link

Fixes #1605

Our user URLs are /user/{username}/ not /user/{id}/

clever-crow-consulting/otm-core,RickMohr/otm-core,RickMohr/otm-core,RickMohr/otm-core,maurizi/otm-core,maurizi/otm-core,clever-crow-consulting/otm-core,maurizi/otm-core,clever-crow-consulting/otm-core,maurizi/otm-core,recklessromeo/otm-core,recklessromeo/otm-core,RickMohr/otm-core,recklessromeo/otm-core,clever-crow-consulting/otm-core,recklessromeo/otm-core