Add person 4 method
change p4 to Julia Ting
remove useless.p4.txt
Adding p4 readme
Merge pull request #1 from bobzilla2340/juliabranch

Juliabranch
Update README.md
Merge branch 'master' of github.com:bobzilla2340/M2 into saischanges
I have removed useless.p2.txt and replaced it with readme.p2.txt. - Sai