add vcloud on available providers
add vcloud in connect providers
fix syntax error
add tag for vCloud VMs
disable tagging for vCloud
add create_machine for vcloud
specify network on vCloud create node
Add vcloud support on add backend dialog
Add placeholders for vcloud
Add vcloud logo
Show networks for vcloud in create machine panel
Merge branch 'staging' into vcloud
fix network parameter on create node
add params on create node
Merge branch 'master' into vcloud
Merge branch 'staging' into vcloud
Merge pull request #330 from mistio/vcloud

vCloud support