bug 1341770: Warn about multiple experiments
bug 1341770: Warn about multiple experiments

escattone/kuma,SphinxKnight/kuma,jwhitlock/kuma,jwhitlock/kuma,safwanrahman/kuma,escattone/kuma,a2sheppy/kuma,SphinxKnight/kuma,Elchi3/kuma,safwanrahman/kuma,jwhitlock/kuma,Elchi3/kuma,SphinxKnight/kuma,SphinxKnight/kuma,Elchi3/kuma,jwhitlock/kuma,jwhitlock/kuma,safwanrahman/kuma,mozilla/kuma,safwanrahman/kuma,a2sheppy/kuma,SphinxKnight/kuma,safwanrahman/kuma,Elchi3/kuma,safwanrahman/kuma,mozilla/kuma,mozilla/kuma,a2sheppy/kuma,a2sheppy/kuma,mozilla/kuma,escattone/kuma,mozilla/kuma,Elchi3/kuma,SphinxKnight/kuma,a2sheppy/kuma