Fix some typos and indentation.

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@19095 b5f69653-2bf5-0310-8201-b0dafb8e1405
"Fix" coverage for #2327 by commenting code that's impossible to reach.

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@19096 b5f69653-2bf5-0310-8201-b0dafb8e1405
#2367 Roll back acceptance tests to 8 decimal place rounding (see r18550 r18551 r18553)

git-svn-id: https://chaste.cs.ox.ac.uk/svn/chaste/trunk@19097 b5f69653-2bf5-0310-8201-b0dafb8e1405