fixes the worst typo's for the 2.1 release
fixes the worst typo's for the 2.1 release

Consistensy/teminology will be picked up by SMS or a translations agency which SMS hires.

Fixes #CURA-206

hmflash/Cura,senttech/Cura,ynotstartups/Wanhao,totalretribution/Cura,fieldOfView/Cura,Curahelper/Cura,senttech/Cura,Curahelper/Cura,hmflash/Cura,totalretribution/Cura,fieldOfView/Cura,ynotstartups/Wanhao