STYLE: avoid backticks for getApplication

tutorials/DNS/dnsFoam/boxTurb16/Allrun

tutorials/basic/laplacianFoam/flange/Allrun

tutorials/basic/potentialFoam/cylinder/Allrun

tutorials/basic/potentialFoam/pitzDaily/Allrun

...s/combustion/PDRFoam/flamePropagationWithObstacles/Allrun

tutorials/combustion/XiFoam/ras/Allrun

tutorials/combustion/chemFoam/gri/Allrun

tutorials/combustion/chemFoam/h2/Allrun

tutorials/combustion/chemFoam/ic8h18/Allrun

tutorials/combustion/chemFoam/nc7h16/Allrun

tutorials/combustion/engineFoam/kivaTest/Allrun

...tion/fireFoam/les/flameSpreadWaterSuppressionPanel/Allrun

...ials/combustion/fireFoam/les/oppositeBurningPanels/Allrun

tutorials/combustion/fireFoam/les/simplePMMApanel/Allrun

tutorials/combustion/fireFoam/les/smallPoolFire2D/Allrun

tutorials/combustion/fireFoam/les/smallPoolFire3D/Allrun

...ials/compressible/rhoCentralFoam/biconic25-55Run35/Allrun

tutorials/compressible/rhoCentralFoam/shockTube/Allrun

tutorials/compressible/rhoPimpleFoam/ras/angledDuct/Allrun

...rials/compressible/rhoPimpleFoam/ras/angledDuctLTS/Allrun