add mirror attribute management
fix package name
fix package name
fix missing grub2 package
add rollback for Attach
fix grub/boot
add sample virtualbox manifest
fix menu entry label
set mirror in bootstrapper instead of image
fix schema name
add plugin to convert raw images to vdi,qcow etc...
make mirror mandatory in manifest
set full path for binaries
fix indentation
Merge pull request #86 from osallou/virtualbox

Fixes for virtualbox provider