this id field is not anymore needed

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1579824 13f79535-47bb-0310-9956-ffa450edef68
fix doc

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1579825 13f79535-47bb-0310-9956-ffa450edef68
fix sys props

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1579826 13f79535-47bb-0310-9956-ffa450edef68
change the column name

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1579827 13f79535-47bb-0310-9956-ffa450edef68