upgrade bundler to 1.7
upgrade bundler to 1.7

frbl/active_interaction,JasOXIII/active_interaction,antoinefinkelstein/active_interaction,orgsync/active_interaction,frbl/active_interaction,JasOXIII/active_interaction,AaronLasseigne/active_interaction,AaronLasseigne/active_interaction,antoinefinkelstein/active_interaction,orgsync/active_interaction