prep for 3.1.2 release

Signed-off-by: Justin Kolberg <amd.prophet@gmail.com>

Author: amdprophet

CHANGELOG.md

@@ -5,6 +5,8 @@ This CHANGELOG follows the located [here](https://github.com/sensu-plugins/commu
 
 ## [Unreleased]
 
+## [3.1.2] - 2018-03-07
+
 ### Security
 - updated rubocop dependency to `~> 0.51.0` per: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8418. (@majormoses)
 
@@ -136,11 +138,12 @@ This CHANGELOG follows the located [here](https://github.com/sensu-plugins/commu
 ### Added
 - initial release
 
-[Unreleased]: https://github.com/sensu-plugins/sensu-plugins-memory-checks/compare/3.1.0...HEAD
+[Unreleased]: https://github.com/sensu-plugins/sensu-plugins-memory-checks/compare/3.1.2...HEAD
+[3.1.2]: https://github.com/sensu-plugins/sensu-plugins-memory-checks/compare/3.1.1...3.1.2
 [3.1.1]: https://github.com/sensu-plugins/sensu-plugins-memory-checks/compare/3.1.0...3.1.1
 [3.1.0]: https://github.com/sensu-plugins/sensu-plugins-memory-checks/compare/3.0.1...3.1.0
 [3.0.2]: https://github.com/sensu-plugins/sensu-plugins-memory-checks/compare/3.0.1...3.0.2
-[3.0.1]: https://github.com/sensu-plugins/sensu-plugins-memory-checks/compare/https://github.com/sensu-plugins/sensu-plugins-memory-checks/compare/3.0.0...3.0.1
+[3.0.1]: https://github.com/sensu-plugins/sensu-plugins-memory-checks/compare/3.0.0...3.0.1
 [3.0.0]: https://github.com/sensu-plugins/sensu-plugins-memory-checks/compare/2.1.0...3.0.0
 [2.1.0]: https://github.com/sensu-plugins/sensu-plugins-memory-checks/compare/2.0.0...2.1.0
 [2.0.0]: https://github.com/sensu-plugins/sensu-plugins-memory-checks/compare/1.0.2...2.0.0

lib/sensu-plugins-memory-checks/version.rb

@@ -2,7 +2,7 @@ module SensuPluginsMemoryChecks
   module Version
     MAJOR = 3
     MINOR = 1
-    PATCH = 1
+    PATCH = 2
 
     VER_STRING = [MAJOR, MINOR, PATCH].compact.join('.')
   end