openvpn: Fix verify script.

Former versions of openvpn called the script where the arguments
in the certificate's common name where separated by /.
Now, those are separated by ", " (comma, space).
pakfire: Prevent an infinite loop with empty server list.
Create core update 75.
openvpn: Move verify script out of configuration directory.
Move Core Updates 70-74 to oldcore directory.
close core75.
Merge remote-tracking branch 'origin/next' into fifteen
Merge remote-tracking branch 'origin/next' into fifteen

Conflicts:
	config/rootfiles/core/70/exclude
	config/rootfiles/core/70/meta
	config/rootfiles/core/71/exclude
	config/rootfiles/core/71/meta
	config/rootfiles/core/72/filelists/strongswan
	config/rootfiles/core/72/meta
	config/rootfiles/core/73/exclude
	config/rootfiles/core/73/meta
	config/rootfiles/core/fifteen/exclude
	config/rootfiles/core/fifteen/filelists/strongswan
	config/rootfiles/core/fifteen/meta
	config/rootfiles/oldcore/70/exclude
	config/rootfiles/oldcore/70/meta
	config/rootfiles/oldcore/71/exclude
	config/rootfiles/oldcore/71/meta
	config/rootfiles/oldcore/72/filelists/strongswan
	config/rootfiles/oldcore/72/meta
	config/rootfiles/oldcore/73/exclude
	config/rootfiles/oldcore/73/filelists/GeoIP
	config/rootfiles/oldcore/73/filelists/hwdata
	config/rootfiles/oldcore/73/filelists/openssh
	config/rootfiles/oldcore/73/filelists/php
	config/rootfiles/oldcore/73/meta
Set version to 2.15 beta1.