fixed some obvious typos
Change "making" to "creating"

This avoids a double entendre in "making faces" and keeps consistency.
fix typos in OpenSCAD workbench
fix typos in Mesh module
fix typos and links in StartPage module
fixed typos in Part module
fix typos in PartDesign module
fix typos in Robot module
fix typos in Sketcher
Changed povray, Povray and PovRay to POV-Ray