Using dashboard on non-english system locale, dashboard will throw an exception.

When running Data Services (Teiid) 6.0 dashboard using 6.0-Snapshot of Dashboard builder on non-english system locale, dashboard will throw an exception.

Steps to reproduce:

1,Set system locale to German : export LC_ALL=de_DE.UTF-8
2,Start DSP 6.0
3,Go to http://localhost:8080/teiid-dashboard/

Exception:
org.apache.jasper.JasperException: java.util.MissingResourceException: Can't find bundle for base name org.jboss.dashboard.login, locale de_DE
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:409)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:309)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:242)
javax.servlet.http.HttpServlet.service(HttpServlet.java:847)