#2116 tutorial added

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@18040 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2116 improve tutorial

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@18041 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2116 improve tutorial.

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@18042 b5f69653-2bf5-0310-8201-b0dafb8e1405
oops

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@18047 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2250 Make code compile with new ParMETIS and METIS.  (But code for METIS partition segfaults with new version.)

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@18048 b5f69653-2bf5-0310-8201-b0dafb8e1405