Add Sutherland's Law viscosity correction option
Correcting if syntax in flux.mako for Sutherland's Law
Indentation changes elements.py
Add HLL solver

Minor indentation changes

Add updated HLL solver
Merge pull request #20 from hpdavis1/develop

Addition of Sutherland's Law and HLL Riemann solver.
Fix a bug in the HLL Riemann solver and cleanup some whitespace.
Minor tweaks and whitespace fixes to Sutherland's law.
Merge pull request #2 from vincentlab/develop

Add anti-aliasing and new bcs
Merge pull request #21 from FreddieWitherden/develop

Updates for v0.2.2.
Merge pull request #3 from vincentlab/develop

Merge anti-aliasing
Sutherland's law changed to require cpTs and cpTref
Added Sutherland's Law documentation

	modified:   doc/src/user_guide.rst
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.
Bump the version number for v0.2.2.
Merge branch 'release/v0.2.2' into develop.
Whitespace.
Avoid forking once MPI has been initialised.
Unify some of the backend queue methods.
Clean up how kernels interact with queues.