EMPIREDB-177
JSF2: allow custom date pattern and show hint with input control

git-svn-id: https://svn.apache.org/repos/asf/empire-db/trunk@1457757 13f79535-47bb-0310-9956-ffa450edef68
EMPIREDB-178
JSF2-example: improved employee detail form.

git-svn-id: https://svn.apache.org/repos/asf/empire-db/trunk@1457758 13f79535-47bb-0310-9956-ffa450edef68