core: remove temp file when done with box
providers/hyperv: provision action [GH-3494]
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Small fix to hyper-v provision action
Merge pull request #3497 from jingchan/master

providers/hyperv: Small fix to hyper-v provision action
commands/box/list: doesn't trigger Vagrantfile loading
command/rsync-auto: proper require
website/www: feature preview windows guests