[Sat Oct 11 00:56:29 CST 2014]: update perceptron/pocket
[Sat Oct 11 00:56:29 CST 2014]: update README.md
[Sat Oct 11 00:56:29 CST 2014]: update linear regression
[Sat Oct 11 00:56:29 CST 2014]: update svm model
[Sat Oct 11 00:56:29 CST 2014]: update neural network model