Add server operating system to template
Add server operating system to template

Thanks @eMerzh, could be especially needed as there are some platform specific issues like filename encoding under MS Windows
pollopolea/core,owncloud/core,pmattern/server,IljaN/core,pixelipo/server,endsguy/server,jbicha/server,nextcloud/server,pixelipo/server,michaelletzgus/nextcloud-server,pmattern/server,cernbox/core,xx621998xx/server,cernbox/core,xx621998xx/server,cernbox/core,lrytz/core,sharidas/core,xx621998xx/server,lrytz/core,pmattern/server,pollopolea/core,Ardinis/server,whitekiba/server,pixelipo/server,pmattern/server,xx621998xx/server,whitekiba/server,andreas-p/nextcloud-server,sharidas/core,phil-davis/core,andreas-p/nextcloud-server,IljaN/core,nextcloud/server,pollopolea/core,whitekiba/server,jbicha/server,IljaN/core,sharidas/core,IljaN/core,andreas-p/nextcloud-server,endsguy/server,lrytz/core,owncloud/core,whitekiba/server,jbicha/server,andreas-p/nextcloud-server,sharidas/core,sharidas/core,lrytz/core,whitekiba/server,cernbox/core,pixelipo/server,Ardinis/server,lrytz/core,endsguy/server,bluelml/core,endsguy/server,pollopolea/core,michaelletzgus/nextcloud-server,bluelml/core,michaelletzgus/nextcloud-server,xx621998xx/server,bluelml/core,andreas-p/nextcloud-server,owncloud/core,bluelml/core,cernbox/core,pollopolea/core,jbicha/server,owncloud/core,nextcloud/server,pixelipo/server,Ardinis/server,nextcloud/server,bluelml/core,owncloud/core,Ardinis/server,endsguy/server,jbicha/server,michaelletzgus/nextcloud-server,IljaN/core,Ardinis/server,pmattern/server