Emil Sit bc4b2d079d Revert "builder/virtualbox: Copy ISO because VirtualBox can't recognize"
This reverts commit 688be43811007d33b9c70dec93b43782a4f71c06; instead
of copying the ISO (which can be huge), we have adjusted the cache path
to include the extension of the source file.

Conflicts:

	builder/virtualbox/step_download_iso.go
2013-07-20 00:26:46 -04:00
..