Merge pull request #509 from ChemicalWonders/cs100-2014fall

removed the picture in shell-tricks
Removed unnecessary character in sample command and fixed grammar error
Added some new syscalls to check
Merge pull request #514 from jesuscreyes/cs100-2014fall

Removed unnecessary character in sample command and fixed grammar error
Merge pull request #516 from gbrlrz017/cs100-2014fall

Added some new syscalls to check
Server Name Changed
Merge pull request #2 from mikeizbicki/cs100-2014fall

merging forked branch to my branch