travis-ci: Add "--trace" to all `rake` commands.
travis-ci: Add "--trace" to all `rake` commands.

iamBalaji/Calagator,Eugator-Wranglers/calagator,matthewkmayer/calagator,alexbeeken/calagator.org,L2-D2/calagator,dudleysr/calagator-workspace,CorainChicago/ActivateHub,VolunteerOdyssey/calagator,jmcduffie32/calagator,nblackburn87/calagator,eeeeeean/windchimes,jmcduffie32/calagator,CorainChicago/ActivateHub,bencornelis/calagator,matthewkmayer/calagator,Villag/dentonator,reidab/calagator,matthewkmayer/calagator,oktober/calagator,iamBalaji/Calagator,L2-D2/calagator,Villag/dentonator,shawnacscott/calagator,cp/calagator-1,Eugator-Wranglers/calagator,oktober/calagator,shawnacscott/calagator,nblackburn87/calagator,iamBalaji/Calagator,CorainChicago/ActivateHub,oktober/calagator,alexbeeken/calagator.org,shawnacscott/calagator,eeeeeean/windchimes,matthewkmayer/calagator,shawnacscott/calagator,cp/calagator-1,L2-D2/calagator,kerrizor/calagator,Villag/dentonator,nblackburn87/calagator,VolunteerOdyssey/calagator,cp/calagator-1,VolunteerOdyssey/calagator,kerrizor/calagator,jmcduffie32/calagator,bencornelis/calagator,kerrizor/calagator,kerrizor/calagator,cp/calagator-1,dudleysr/calagator-workspace,iamBalaji/Calagator,jmcduffie32/calagator,bencornelis/calagator,reidab/calagator,L2-D2/calagator,CorainChicago/ActivateHub,oktober/calagator,reidab/calagator,bencornelis/calagator,reidab/calagator