- markup codingStyleGuide.org examples so they actually indent correctly

- use 'Info<<' as per codingStyleGuide instead of 'Info <<'

- use first() method in some places as well where it helps clarity

- there are a few remaining cases: git grep 'size()-1]'

Removed blank lines between template specification and function definition.

and other unit conversion functions as they are required e.g. slug <-> kg.

- note left utilities/mesh/advanced/collapseEdges/collapseEdges.C as-is.
  It looks suspicious, but the change was recent, so maybe it means something

the include file back to mathematicalConstants.H to make upgrading code slightly easier.

being discarded on return from the triPointRef intersecion test.  Was
only appearing when using FULL_RAY tests.

- when reporting is off, stop checking on the first error

- added static data member with the name associated with the zone-labels
     eg, cellLabels, etc.
  This will be useful when reading the files directly.