Move golang version to security section, bump release date
## Unreleased
-## [2.6.0] - 2017-01-16
+## [2.6.0] - 2017-01-17
+### Security
+- update to go `v1.7.4`
+
### Added
- cli: log processor pool total on shutdown
- amqp_job: meter for job finish state (#184)
- capture every requeue and send the error to sentry
### Changed
-- update to latest go version
- image/api_selector: selection of candidates by multiple groups
- amqp_canceller: change verbosity of canceller missing job id to debug
