change version to 2.0.0-RC1-SNAPSHOT

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1565974 13f79535-47bb-0310-9956-ffa450edef68
use some staged released components

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1565975 13f79535-47bb-0310-9956-ffa450edef68
use taskqueue staged released version

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1565976 13f79535-47bb-0310-9956-ffa450edef68
add stage repository for consumer-archetype build

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1565977 13f79535-47bb-0310-9956-ffa450edef68
use redback core stage 2.2 release

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1565978 13f79535-47bb-0310-9956-ffa450edef68
sirona integration to be reviewed later

git-svn-id: https://svn.apache.org/repos/asf/archiva/trunk@1565979 13f79535-47bb-0310-9956-ffa450edef68