Mention CUDA dependency in the training code for #41.
Mention CUDA dependency in the training code for #41.

nmabhi/Webface,francisleunggie/openface,sumsuddinshojib/openface,francisleunggie/openface,nmabhi/Webface,Alexx-G/openface,Alexx-G/openface,nmabhi/Webface,xinfang/face-recognize,sumsuddinshojib/openface,nhzandi/openface,Alexx-G/openface,xinfang/face-recognize,nhzandi/openface,Alexx-G/openface,francisleunggie/openface,xinfang/face-recognize,nmabhi/Webface,sumsuddinshojib/openface,cmusatyalab/openface,nhzandi/openface,cmusatyalab/openface,cmusatyalab/openface,sumsuddinshojib/openface