STYLE: correct executable permissions and shebang on tutorial files

.../simpleCarSolarPanel/constant/boundaryRadiationProperties

...Transfer/buoyantSimpleFoam/simpleCarSolarPanel/constant/g

...mpleFoam/simpleCarSolarPanel/constant/radiationProperties

...oam/simpleCarSolarPanel/constant/thermophysicalProperties

...oam/simpleCarSolarPanel/constant/triSurface/simpleCar.stl

...pleFoam/simpleCarSolarPanel/constant/turbulenceProperties

...uoyantSimpleFoam/simpleCarSolarPanel/system/blockMeshDict

.../buoyantSimpleFoam/simpleCarSolarPanel/system/controlDict

...er/buoyantSimpleFoam/simpleCarSolarPanel/system/fvSchemes

...r/buoyantSimpleFoam/simpleCarSolarPanel/system/fvSolution

...ntSimpleFoam/simpleCarSolarPanel/system/snappyHexMeshDict

...Foam/simpleCarSolarPanel/system/surfaceFeatureExtractDict

...ble/adjointOptimisationFoam/sbend/turbulent/highRe/Allrun

...tOptimisationFoam/sbend/turbulent/lowRe/multiPoint/Allrun

...OptimisationFoam/sbend/turbulent/lowRe/singlePoint/Allrun