ntp security and bug fix update

4.2.6p5-10 - don't accept server/peer packets with zero origin timestamp CVE-2015-8138 - fix crash with reslist command CVE-2015-7977, CVE-2015-7978 4.2.6p5-9 - fix crash with invalid logconfig command CVE-2015-5194 - fix crash when referencing disabled statistic type CVE-2015-5195 - don't hang i...