Usaremos las etiquetas footer.empresa y application.version.
<?xml version='1.0' encoding='UTF-8' ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<ui:fragment xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:b="http://bootsfaces.net/ui"
xmlns:p="http://primefaces.org/ui">
<b:navBar brand="#{msg['footer.empresa']}" brandHref="" fixed="bottom">
<p class="navbar-text pull-right">
<strong><p:outputLabel value="#{msg['application.version']}" style="color: white"/> | <p:outputLabel value="#{msg['footer.derechosreservados']}" style="color: white"/></strong>
</p>
</b:navBar>
</ui:fragment>