#2250 and #2263 deprecate METIS partitioning in favour of parMETIS

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@17953 b5f69653-2bf5-0310-8201-b0dafb8e1405
Better error handling when using SNES solver

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@17956 b5f69653-2bf5-0310-8201-b0dafb8e1405
#1795/#1607 - reduce default lookup table step size to avoid issues with singularities in jacobians.

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@17957 b5f69653-2bf5-0310-8201-b0dafb8e1405
#1660 Show how to add a new data hypercube to an existing HDF5 (better test for #2220 r16724)

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@17958 b5f69653-2bf5-0310-8201-b0dafb8e1405