Problem with temperature advection in the Blankenbach Benchmark (#108)

* update

* update

* update

* added blankenbach

* updated Blankenbach Bechmark script

* remove layered_rheology

* cleanup Benachmark

* remove and updated some files

* fixed some minor bugs

* start modifying WENO5 version

* checked Nu and Vrms calculations

* minor fixes

* minor fix

* added non-dimensional version

* minor fix

* added dimensional version

* Finalize WENO5 and particles advection examples

* remove some files

* removed some files

* renamed files for spell check purposes

* minor fix

* minor fix

* testing some settings

* test further settings

* removed some files

* minor fix

* removed some comments

* removed further comment

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Co-authored-by: lufuchs <[email protected]>