Moved all files from local repo (https://github.com/ManjunathChet/GDB-Tutorial) into tutorials folder

Fixed a small typo in ex1/README.md

Fixed a small typo in ex1/README.md
Squashed previous commits into 1
Merge branch 'cs100-2014fall' of https://github.com/ManjunathChet/ucr-cs100 into cs100-2014fall