Revision bump to 2.13.0~beta1
Revision bump to 2.13.0~beta1

This patch changes the prefix of 2.13 in the configure file to beta1.

Signed-off-by: Hrvoje Ribicic <be5828fca31f89218048bec4189e30a581aa65da@google.com>
Reviewed-by: Klaus Aehlig <4ce51de36d9068cd7db2eec1151e0f3f95419008@google.com>

ganeti/ganeti,onponomarev/ganeti,mbakke/ganeti,ganeti/ganeti,andir/ganeti,yiannist/ganeti,grnet/snf-ganeti,dimara/ganeti,onponomarev/ganeti,ganeti/ganeti,leshchevds/ganeti,mbakke/ganeti,andir/ganeti,leshchevds/ganeti,leshchevds/ganeti,bitemyapp/ganeti,grnet/snf-ganeti,yiannist/ganeti,bitemyapp/ganeti,andir/ganeti,mbakke/ganeti,dimara/ganeti,yiannist/ganeti