Bump model version to 6.0.0
Bump model version to 6.0.0

mizdebsk/xmvn,fedora-java/xmvn,rvais/xmvn,rvais/xmvn,mizdebsk/xmvn,rvais/xmvn,rvais/xmvn,fedora-java/xmvn,mizdebsk/xmvn,mizdebsk/xmvn,fedora-java/xmvn