1: Checksyscalls takes in folder arguments(with or without trailing /) and goes recursively through all folders.
2: Modified the regular expressions so that open now does not match filestream member function like ifs.open("file").
3: Added sycalls ioctl, close and readlink to the list.
calcgrade fix
Merge pull request #444 from hundal78/cs100-2014fall

Checksyscalls improvements and calgrade fix
added lecture notes
made calcgrade work with github usernames
graded assignment using automatic scripts
graded assignment using automatic scripts
graded assignment using automatic scripts
graded assignment using automatic scripts
graded assignment using automatic scripts
graded assignment using automatic scripts
graded assignment using automatic scripts
graded assignment using automatic scripts
graded assignment using automatic scripts
graded assignment using automatic scripts
Merge branch 'cs100-2014fall' of https://github.com/Dave864/ucr-cs100 into cs100-2014fall