Update DetCond for compatibility with current CondDB structure

Marco Cattaneorequested to merge
cherry-pick-a0b754e9 into hlt2012-patches

Update DetCond for compatibility with current CondDB structure

Cherry picked from MR !616 (merged) (reco14-patches branch)
d6d1661f Update DetCond for compatibility with current CondDB structure
ad65ad16 Update LHCbAlgs dqfilter tests fr consistency with updated DetCond

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