#2446 - omit any `test_summary` folder contents from .deb

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@20283 b5f69653-2bf5-0310-8201-b0dafb8e1405
Allow other classes to inherit from `CellLabel`

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@20291 b5f69653-2bf5-0310-8201-b0dafb8e1405
Allow new cell writers to be added to a population without them being deleted as soon as a simulation starts!

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@20293 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2447 - Fix build following my rash commit in r20293. I had forgotten what a pain Chaste is.

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@20297 b5f69653-2bf5-0310-8201-b0dafb8e1405
Fix coverage in r20263/r20272 again #2146

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@20298 b5f69653-2bf5-0310-8201-b0dafb8e1405


git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@20303 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2446 - convert the point50_heart_mesh to binary.

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@20304 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2446 - convert more meshes to binary and increase one printing time step

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@20318 b5f69653-2bf5-0310-8201-b0dafb8e1405