Expose basic OpenCL features
Add basic OpenCL support -- device / platform / context setup etc
Make _viennacl as package, rather than a module,
so we can have opencl_support as a submodule.

Make opencl_support a bit more Pythonic.
Merge branch 'experimental'
Update shipped boost
Re-organise README.rst a bit; note that Python 3.4 includes pip
README / MANIFEST tweaks
PEP8 fixes, remove unused imports
Upstream Boost.Chrono option to aksetup
Merge branch 'master' of https://github.com/inducer/pyviennacl-dev
Note use of PATH in README.rst
Clarify architecture in Windows SDK section of README.rst
Actually, just mention the Python (not the system) architecture
More info about Python and system architecture on Windows
Slight reorganisation of extra Windows instructions in README
README: Added some additional hints for users running Windows.
Update test to disable iterative solvers on dense matrices; fix gitignore in external boost subset; clarify grammar in README.rst
Update test to disable iterative solvers on dense matrices; fix gitignore in external boost subset; clarify grammar in README.rst
Update version info in docs
pip install should work now