removed the picture in shell-trickes
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
Merge remote-tracking branch 'upstream/cs100-2014fall' into cs100-2014fall

Conflicts:
	scripts/checksyscalls.sh