capitalization consistency (SketchRNN)

[shiffman]

@MimiOnuoha is working on a doc related to new ideas for designing the reference and I noticed that we have some capitalization inconsistency in ml5 methods, I propose the following:

• ml5.SketchRNN() --> ml5.sketchRNN()

We can adopt the rule that only methods that are named after an acronym begin with a capital letter? (KNN and YOLO right now). Here's the full list:

• ml5.featureExtractor()
• ml5.imageClassifier()
• ml5.pitchDetection()
• ml5.pix2pix()
• ml5.poseNet()
• ml5.YOLO()
• ml5.charRNN()
• ml5.KNNClassifier()
• ml5.word2vec()
• ml5.sketchRNN()

[shiffman]

(Note that the underlying classes would all start with a capital letter.)

class FeatureExtractor { }
class ImageClassifer { }
// etc.

[joeyklee]

@shiffman - This is now part of the api. Closing this issue now. Thanks! :)