Current version is 1.7.5, wro uses 1.7.7 (see NXP-16415) so align on 1.7.7.
Note also that NXP-16865 added explicit dep to slf4j-logj1é so that it's part of the tomcat distribution.
NXP-16865 Fix duplicated classes in nuxeo dependency (for studio 6.0 upgrade)
NXP-16415 Add REST endpoint for CSS and JS resources