Merge branch 'LHCBPS-1547' into '2016-patches'

Follow LHCBPS-1547

Invert pT of Velo tracks in sim08-invfield-up.qmt so same output as sim08-invfield-down.qmt, to follow Rec!85 (merged). See LHCBPS-1547

See merge request !20 (merged). Goes with Rec!134 (merged)