use https for the website

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>

asciidoc/asciidoc-pve.conf

@@ -3,7 +3,7 @@
 proxmoxGmbh=Proxmox Server Solutions Gmbh
 copyright=Proxmox Server Solutions Gmbh
 pve=Proxmox VE
-website=http://www.proxmox.com/
+website=https://www.proxmox.com/
 forum-url=https://forum.proxmox.com/
 forum=https://forum.proxmox.com/[Proxmox VE Community Forum]
 webwiki-url=https://pve.proxmox.com/wiki/

getting-help.adoc

@@ -43,7 +43,7 @@ Commercial Support
 ~~~~~~~~~~~~~~~~~~
 
 {proxmoxGmbh} also offers commercial 
-http://www.proxmox.com/en/proxmox-ve/pricing[{pve} Subscription Service
+https://www.proxmox.com/en/proxmox-ve/pricing[{pve} Subscription Service
 Plans]. System Administrators with a standard subscription plan can access a 
 dedicated support portal with guaranteed response time, where {pve}
 developers help them should an issue appear.

pve-installation.adoc

@@ -31,7 +31,7 @@ endif::wiki[]
 Using the {pve} Installation CD-ROM
 -----------------------------------
 
-You can download the ISO from http://www.proxmox.com. It includes the
+You can download the ISO from {website}. It includes the
 following:
 
 * Complete operating system (Debian Linux, 64-bit)

pve-package-repos.adoc

@@ -48,7 +48,7 @@ update. So you will never miss important security fixes.
 
 Please note that and you need a valid subscription key to access this
 repository. We offer different support levels, and you can find further
-details at http://www.proxmox.com/en/proxmox-ve/pricing.
+details at https://www.proxmox.com/en/proxmox-ve/pricing.
 
 NOTE: You can disable this repository by commenting out the above line
 using a `#` (at the start of the line). This prevents error messages