Fixed typo
Merge pull request #289 from lpeng003/cs100-2014fall

Fixed typo
lecture notes
Merge branch 'cs100-2014fall' of https://github.com/mikeizbicki/ucr-cs100 into cs100-2014fall
Update README.md
lecture notes
Merge branch 'cs100-2014fall' of https://github.com/mikeizbicki/ucr-cs100 into cs100-2014fall
fixed link in README.md