added script to show last modified files in directory
extract youtube urls from upworthy site because upworthy makes firefox run really slow
added optional argument for how many files you want to see
add extra argument to dualmon when X is not running on the default display
* The default display is ":0"
* If X is running on ":2" add the number "2" as the second arg to dualmon
* For example, "dualmon onoff" becomes "dualmon onoff 2"