Old API usage examples still present (.learningRate(), .iterations() etc)

[AlexDBlack]

https://github.com/deeplearning4j/deeplearning4j-docs/search?q=iterations&unscoped_q=iterations

https://github.com/deeplearning4j/deeplearning4j-docs/search?q=learningRate&unscoped_q=learningRate

also check for pretrain(boolean), backprop(boolean) etc