Log Message:
Update to 2.6.1.5

Snort v2.6.1.5 includes:
* A new http_post rule keyword used to search for content in normalized
  HTTP posts
* A fix for a potential memory leak when generating HTTP Inspection events

Snort v2.6.1.4 includes detection functionality for a BSD IPv6 fragmentation
overflow, and addresses a number of potential security-related issues in
Snort as reported by customers, uncovered by internal investigations, and
through third-party code audits.