Add Assignment 2 - PCA part
Add Assignment 2 - PCA part

This assignment deals with both PCA and LDA. I just finished doing the
PCA part.

Signed-off-by: Aditya A Prasad <5c5d1de3672d25c1ad997cc5b3c40a32c347e962@gmail.com>

Aditya8795/PatternRecognition