Updated piping section for syscalls tutorial
Fixed the problem where the scripts like calcgrade and checksyscalls could not be run from any folder except script.
fixed dates for week 10 on README.md
Merge pull request #529 from jesuscreyes/cs100-2014fall

Updated piping section for syscalls tutorial
Merge pull request #537 from hundal78/cs100-2014fall

All scripts run from any folder
Merge pull request #539 from khiguera/cs100-2014fall

fixed dates for week 10 on README.md
Added Rough Draft Pull request info
Merge pull request #543 from gbrlrz017/cs100-2014fall

Added Rough Draft Pull request info
added vim-videos tutorial
Merge pull request #554 from 2c2c/upstream

added vim-videos tutorial
Merge remote-tracking branch 'upstream/cs100-2014fall' into cs100-2014fall