add RDP auto login with password
add RDP auto login with password

The fix is implementation of suggestion from @majkinetor for the closed issue
https://github.com/mitchellh/vagrant/issues/4300

Works on windows 7 host.
mitchellh/vagrant,krig/vagrant,mwrock/vagrant,signed8bit/vagrant,sni/vagrant,justincampbell/vagrant,crashlytics/vagrant,marxarelli/vagrant,signed8bit/vagrant,bshurts/vagrant,lonniev/vagrant,gitebra/vagrant,marxarelli/vagrant,tomfanning/vagrant,sni/vagrant,signed8bit/vagrant,crashlytics/vagrant,benh57/vagrant,taliesins/vagrant,gitebra/vagrant,bshurts/vagrant,krig/vagrant,bshurts/vagrant,bdwyertech/vagrant,lonniev/vagrant,sax/vagrant,crashlytics/vagrant,bshurts/vagrant,tomfanning/vagrant,PatrickLang/vagrant,kamazee/vagrant,carlosefr/vagrant,sni/vagrant,vamegh/vagrant,chrisroberts/vagrant,vamegh/vagrant,carlosefr/vagrant,jtopper/vagrant,lukebakken/vagrant,PatrickLang/vagrant,justincampbell/vagrant,mwrock/vagrant,sax/vagrant,mitchellh/vagrant,chrisroberts/vagrant,bdwyertech/vagrant,kamazee/vagrant,gitebra/vagrant,mwrock/vagrant,chrisroberts/vagrant,carlosefr/vagrant,justincampbell/vagrant,PatrickLang/vagrant,bdwyertech/vagrant,benh57/vagrant,sni/vagrant,PatrickLang/vagrant,jtopper/vagrant,bryson/vagrant,tomfanning/vagrant,krig/vagrant,taliesins/vagrant,lukebakken/vagrant,sax/vagrant,marxarelli/vagrant,bryson/vagrant,bryson/vagrant,marxarelli/vagrant,sax/vagrant,krig/vagrant,vamegh/vagrant,taliesins/vagrant,carlosefr/vagrant,bdwyertech/vagrant,lukebakken/vagrant,jtopper/vagrant,benh57/vagrant,lonniev/vagrant,lukebakken/vagrant,vamegh/vagrant,signed8bit/vagrant,taliesins/vagrant,gitebra/vagrant,benizi/vagrant,tomfanning/vagrant,benizi/vagrant,benizi/vagrant,jtopper/vagrant,justincampbell/vagrant,mwrock/vagrant,benizi/vagrant,bryson/vagrant,kamazee/vagrant,lonniev/vagrant,mitchellh/vagrant,benh57/vagrant,mitchellh/vagrant,crashlytics/vagrant,kamazee/vagrant,chrisroberts/vagrant