better site deployment mode

git-svn-id: https://svn.apache.org/repos/asf/archiva/redback/redback-components/trunk@1479279 13f79535-47bb-0310-9956-ffa450edef68
ignore .site-content

git-svn-id: https://svn.apache.org/repos/asf/archiva/redback/redback-components/trunk@1479280 13f79535-47bb-0310-9956-ffa450edef68