make bin/link more robust to files already existing
make bin/link more robust to files already existing

witem/actionhero,crrobinson14/actionhero,witem/actionhero,crrobinson14/actionhero,crrobinson14/actionhero,witem/actionhero,actionhero/actionhero,actionhero/actionhero,gcoonrod/actionhero,gcoonrod/actionhero,chimmelb/actionhero,chimmelb/actionhero,actionhero/actionhero,chimmelb/actionhero,gcoonrod/actionhero,gcoonrod/actionhero,witem/actionhero,actionhero/actionhero