GitLab

Added some documentation

Fixed cell variable names in CRN cell model.
Fixed error in reading and writing cell model from file.

the cartesian communicator

Better searching for zlib in macports directory.
Fix to zlib source to work with OSX.
Added check that patch version is 7 or later
(we need 1.2.7, but only check the patch level at the moment)

Explicitly reference ZLIB_LIBRARY in Cmake, rather than the Boost version.

Updated to fix bug when using Mixed Boundary conditions in the Inc Navier Stokes Solver in parallell. The m_hash key was previously only being set on one processor. This has now been made to have the same value on all processsors

Cleaned up code.