mention Hyper-V and change wording a bit on install page
mention Hyper-V and change wording a bit on install page

LukasReschke/www,owncloud/owncloud.org,lefherz/owncloud.org,lefherz/owncloud.org,LukasReschke/www,owncloud/owncloud.org,owncloud/owncloud.org