changes to try and fix failing travis build with CmdQueue
changes to try and fix failing travis build with CmdQueue

tkelman/OpenCL.jl,yuyichao/OpenCL.jl,tkelman/OpenCL.jl,yuyichao/OpenCL.jl,JuliaPackageMirrors/OpenCL.jl,JuliaPackageMirrors/OpenCL.jl