Revert "Initial commit for Programming Assignment 2"

This reverts commit 27987823fcf81d46a5e2186391addd87c079b879.

Conflicts:
	README.md
	cachematrix.R
Revert "Revert "Initial commit for Programming Assignment 2""

This reverts commit 34f5c8729c541be7657be814ff68e6401c0e2130.