Made comparisons (>, >=, ==, ...)  between GPUArrays and scalars possible.
Merge pull request #40 from untom/scalar_cmp_ops

ENH: binary comparisons between scalars and GPUArray
Return copies from arithmetic operators, rather than the array itself, for more consistent semantics (reported by István Lorentz)
Add device_attribute constants for additions in CUDA 5.0, 5.5 and 6.0rc.
Documentation for new device attribute constants in CUDA 5.0, 5.5, and 6.0.
Merge pull request #42 from seibert/cuda6

Support for device attribute constants that were added in CUDA 5.0, 5.5, and 6.0.
Recognize no-op in reshape (Fixes #41)
Update compyte
Update aksetup