move UNITE to end of stack

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
add 2 extra ref URLs for bioinfo policy

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
Clarify rfc2119 text banner & bump version to v0.6.1

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>