tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/patchifyObstacles: another change to avoid duplicate registration

Required change to IOobjectList to support the optional no-registration specification

tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes: Avoid using the same same for different objects in setSet

thermophysicalModels: Don't register derived fields such as Cp to avoid name conflicts in the objectRegistry

Updated mesh-motion functionality

Explicitly name derived fields to improve readability of diagnostic messages and avoid duplicate registration

Avoids problem of duplicate registration

twoPhaseEulerFoam/twoPhaseSystem/diameterModels/constantDiameter: Do not register the temporary diameter field

threePhaseInterfaceProperties: Update constructor to be consistent with the two-phase interfaceProperties
Avoids problem of duplicate registration of K

and generate cleaner HTML files.
Thanks to Bruno Santos for various fixes and improvements.
Resolves bug reports:
    http://www.openfoam.org/mantisbt/view.php?id=1516
    http://www.openfoam.org/mantisbt/view.php?id=1016
    http://www.openfoam.org/mantisbt/view.php?id=1512

Also moved global classes which should be in the Foam namespace into it.

Resolves bug-report http://www.openfoam.org/mantisbt/view.php?id=1514