Changed the appliance link variables
Changed the appliance link variables

There are now new appliance providers, I created a few new variables for this.
I didn't delete the outdated ones, because I don't know if php would run into error. there are comments about it.
owncloud/owncloud.org,owncloud/owncloud.org,owncloud/owncloud.org,lefherz/owncloud.org,lefherz/owncloud.org