Switch to our osminor
Switch to our osminor

...and thus work around the bug in os.minor

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

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