improve on HPCBIOS_06-17, bump minor version

Signed-off-by: Fotis Georgatos <fotis.georgatos@uni.lu>
update GPU policy HPCBIOS_2012-99, tools HPCBIOS_2012-90 and, bump version to 0.8.5

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