Merge pull request #23 from hpdavis1/develop

Sutherland's Law constants change and added documentation.
Added documentation for PyFR-Mako.

Improved the User Guide.
Merge pull request #24 from pv101/develop

Added documentation for PyFR-Mako and Improved the User Guide.
Minor tweaks to improve GEMM performance.
Merge pull request #4 from vincentlab/develop

version 0.2.2