Gauss spellings and more (#1350)

* Guass with capital G

* Fixes

* Add guas'

* add mispelling

* More gauss with apostrophe

* add becausw->because

* add rcall->recall

* More spellings

* remove ,easure->measure

* dielectircs->dielectrics

* dielectirc->dielectric

* theis->this, thesis,

* therem->there, theorem