closes #6 - Don't report error when trying to delete a file that is already deleted.  Also, download VBox Guest additions to /tmp
closes #6 - Don't report error when trying to delete a file that is already deleted.  Also, download VBox Guest additions to /tmp

easselin/wordpress-development-flow,cityindex-attic/wordpress-development-flow,cityindex-attic/wordpress-development-flow,cityindex-attic/wordpress-development-flow,cityindex-attic/wordpress-development-flow,easselin/wordpress-development-flow,easselin/wordpress-development-flow,easselin/wordpress-development-flow