Merge pull request #248 from jesuscreyes/cs100-2014fall

Update README.md
Update README.md

Changed "it" to "is" to make better sense of the sentence
Merge pull request #250 from DustinPham/cs100-2014fall

Update README.md
Fixed spelling of "connector" to reflect the two previous uses of "connecter" in the sentence, "The connector is an optional way you can run multiple commands..."
Merge pull request #251 from jstod001/cs100-2014fall

Fixed README.md
add myself to the Directory of Students
Merge pull request #255 from luizlopezm/cs100-2014fall

enrolling in cs100