#2488 finishing ticket. Implemented abstract class.

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21041 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2441 - coverage

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21043 b5f69653-2bf5-0310-8201-b0dafb8e1405
Small tidy

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21044 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2441 - doh

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21045 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2488 - try to fix nightly tests

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21046 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2441 - try to fix coverage...

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21047 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2495 - commented failing test

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21054 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2495 - make daughter cells inherit `mApoptosisTime`

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21055 b5f69653-2bf5-0310-8201-b0dafb8e1405
Note that the installation guide is out of date!  (See #2431)

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21056 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2391 Make a better test of the issues and correct for non-zero area degenerate faces


git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21057 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2391 Remove non-degenerate assumptions from calculate normal code

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21059 b5f69653-2bf5-0310-8201-b0dafb8e1405
Fix Windows build (r21057 / #2391).

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21064 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2391 Make unit test involve more degeneracy and revoke the old implementation.  Also remove header (for temporary code) inserted in r21064.

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21065 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2391 Fix Doxygen, tidy code and remove warning (since we know now that it's normal behaviour for a Voronoi mesh produced from a regular-grid type Delaunay mesh).

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21066 b5f69653-2bf5-0310-8201-b0dafb8e1405
Fix picky Intel build wrt r21037/#2426

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21069 b5f69653-2bf5-0310-8201-b0dafb8e1405
Fix memory leak in r21043/#2441

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21084 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2441 - fix comment

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21105 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2488 - document method and add `\todo` to improve class documentation

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21106 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2300 Dealing with some todos

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21109 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2300 One more todo

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@21110 b5f69653-2bf5-0310-8201-b0dafb8e1405