Use apply_additive_transform in mpi wrappers
Add FindOpenCL.cmake to support cmake's find_package
Add Khronos' cl.hpp for benefit of MacOS X users
MacOSX's size_t is defined differently
Use macros to detect Apple's clang instead
Add ptrdiff_t specialization for Apple's clang
Use new FindOpenCL.cmake in mpi examples
Local memory allocation for user stencil kernel
Use qctx, qdev throughout the code
Merge remote-tracking branch 'neapel/master'
Moved scaling ops to vexcl/operations.hpp
Use universal scaling ops in spmv and stencil conv
Fixed linking to OpenCL in fft examples
Formatted output in fft_benchmark
Select device in fft examples
License years, file names for doxygen in fft folder
Resolved Doxygen warnings
Moved scalar_of, vector_of traits to vex namespace

And renamed those to cl_scalar_of, cl_vector_of.
Also removed unused typedef cl_<type><dim> <type><dim>.

@neapel, I hope this does not break anything you are currently working on.
Don't want to intrude into Kronos' cl namespace.
Have to use libc++ with clang-3.1
Bake plan on creation