lock paper_trail_manager to 0.5.x for now.
lock paper_trail_manager to 0.5.x for now.

reidab/calagator,reidab/calagator,L2-D2/calagator,cp/calagator-1,cp/calagator-1,L2-D2/calagator,cp/calagator-1,reidab/calagator,L2-D2/calagator,L2-D2/calagator,cp/calagator-1,reidab/calagator