Add plotting functions for ClassificationDataSet.
Add plotting functions for ClassificationDataSet.

Those plotting functions are a quick way to check visually how well a module
is classifying correctly a dataset.

zygmuntz/pybrain,jackru/pybrain,sepehr125/pybrain,Neural-Network/TicTacToe,chanderbgoel/pybrain,jlegendary/pybrain,pybrain2/pybrain2,zygmuntz/pybrain,arabenjamin/pybrain,styskin/pybrain,RatulGhosh/pybrain,luigift/pybrain,blueburningcoder/pybrain,pybrain/pybrain,newemailjdm/pybrain,RafaelCosman/pybrain,sepehr125/pybrain,Ryanglambert/pybrain,pybrain2/pybrain2,luigift/pybrain,garyfeng/pybrain,Ryanglambert/pybrain,Adai0808/pybrain,garyfeng/pybrain,taylorhxu/pybrain,newemailjdm/pybrain,pybrain2/pybrain2,cmorgan/pybrain,arabenjamin/pybrain,jackru/pybrain,yonglehou/pybrain,RafaelCosman/pybrain,ii0/pybrain,arabenjamin/pybrain,Adai0808/pybrain,comepradz/pybrain,Adai0808/pybrain,ii0/pybrain,cmorgan/pybrain,comepradz/pybrain,RatulGhosh/pybrain,luigift/pybrain,RatulGhosh/pybrain,styskin/pybrain,samstern/MSc-Project,chanderbgoel/pybrain,taylorhxu/pybrain,ii0/pybrain,newemailjdm/pybrain,sepehr125/pybrain,pybrain/pybrain,RafaelCosman/pybrain,tmeits/pybrain,jlegendary/pybrain,styskin/pybrain,Neural-Network/TicTacToe,pybrain/pybrain,CVML/pybrain,Ryanglambert/pybrain,garyfeng/pybrain,comepradz/pybrain,yonglehou/pybrain,Neural-Network/TicTacToe,CVML/pybrain,yonglehou/pybrain,cmorgan/pybrain,blueburningcoder/pybrain,tmeits/pybrain,jlegendary/pybrain,taylorhxu/pybrain,jackru/pybrain,tmeits/pybrain,blueburningcoder/pybrain,chanderbgoel/pybrain,CVML/pybrain,zygmuntz/pybrain,zygmuntz/pybrain