Refactor data pre-processing code

[RGreensmith]

Convolutional_Neural_Network/Convolutional Neural Network_wind_bird.py

Line 19 in 97b9860

train_datagen = ImageDataGenerator(

[RGreensmith]

https://github.com/RGreensmith/Convolutional_Neural_Network/commit/7b46bc37029dc65f17e5fa156f3988f0619b848b

Create the getProcessedImages wrapper function

getProcessedImages preprocesses either the test or training datasets, ready to be used in the keras Sequential CNN.
Integrated getProcessedImages into the application, and refactored out the code it replaces.