Removed counter in extract_features.py

Signed-off-by: Vidhoon Viswanathan <vidhu2366@gmail.com>
Removed newline and carriage return in review text

Signed-off-by: Vidhoon Viswanathan <vidhu2366@gmail.com>
Added script for extracting feature set 1 extraction

This script is developed from the basic extract_features.py
to extract minimal features for basic modeling to get
some baseline features. Includes few review text related
features such as review length, number of words, review age
and some use related features like experience, friends count.

Signed-off-by: Vidhoon Viswanathan <vidhu2366@gmail.com>
Added script for random split

This script creates a random split of data provided
as input. Right now it creates a 90-10 split.

Input is a CSV file comprising all data and output will
be two CSV files comprising of test and training data.

Signed-off-by: Vidhoon Viswanathan <vidhu2366@gmail.com>