Added transform coordinates to unified backend
Added transform coordinates to unified backend

ghisvail/arrayfire,victorv/arrayfire,9prady9/arrayfire,ghisvail/arrayfire,shehzan10/arrayfire,merlin-ext/arrayfire,bkloppenborg/arrayfire,merlin-ext/arrayfire,arrayfire/arrayfire,arrayfire/arrayfire,merlin-ext/arrayfire,umar456/arrayfire,marbre/arrayfire,victorv/arrayfire,munnybearz/arrayfire,9prady9/arrayfire,arrayfire/arrayfire,bkloppenborg/arrayfire,marbre/arrayfire,9prady9/arrayfire,merlin-ext/arrayfire,shehzan10/arrayfire,victorv/arrayfire,bkloppenborg/arrayfire,umar456/arrayfire,victorv/arrayfire,munnybearz/arrayfire,9prady9/arrayfire,marbre/arrayfire,marbre/arrayfire,shehzan10/arrayfire,munnybearz/arrayfire,ghisvail/arrayfire,arrayfire/arrayfire,umar456/arrayfire,bkloppenborg/arrayfire,shehzan10/arrayfire,umar456/arrayfire,ghisvail/arrayfire