changed GIT to Git
changed GiTHub to GitHub
Update README.md

Changed line 53 from GiT to Git
Merge pull request #1 from andrewkryzanek/master

changed GiTHub to GitHub
Merge pull request #2 from maureenodonnell/master

Update README.md
update?

Merge branch 'master' of https://github.com/alanarnholt/STT4870

Conflicts:
	README.md
Brian's fix
staging all files
add cache = TRUE
update
change graph and add collaboration link
update time stamp is all
update time stamp
staging all files
new go through
update directions
update graph
mave system time code chunk
run from windows box
screwing things up at home