Verify the D3Q15 equlibrium against Shyam's PhD thesis.
Fix typo in alpha series.
Fix typo in the alpha series.
Add comments in the entropic module.

Enable alpha estimation for all lattices as the alpha asymptotic
expansion is grid-independent.
Use alpha from the previous iteration as a starting point in the Newton-Rhapson iteration.
Add entropic LDC 2d example.
Update installation instructions.
Fix visualization engine initialization.