1.8.13 release (previous 1.8.12) + release notes updated [ci skip-release]

Author: shipkit-org

docs/release-notes.md

@@ -1,5 +1,9 @@
 <sup><sup>*Release notes were automatically generated by [Shipkit](http://shipkit.org/)*</sup></sup>
 
+#### 1.8.13
+ - 2020-01-16 - [1 commit](https://github.com/MinimallyCorrect/JavaTransformer/compare/v1.8.12...v1.8.13) by [Luna Nova](https://github.com/nallar) - published to [![Bintray](https://img.shields.io/badge/Bintray-1.8.13-green.svg)](https://bintray.com/minimallycorrect/minimallycorrectmaven/JavaTransformer/1.8.13)
+ - Upgrade DefaultsPlugin to .51 [(#16)](https://github.com/MinimallyCorrect/JavaTransformer/pull/16)
+
 #### 1.8.12
  - 2020-01-09 - [1 commit](https://github.com/MinimallyCorrect/JavaTransformer/compare/v1.8.11...v1.8.12) by [Luna Nova](https://github.com/nallar) - published to [![Bintray](https://img.shields.io/badge/Bintray-1.8.12-green.svg)](https://bintray.com/minimallycorrect/minimallycorrectmaven/JavaTransformer/1.8.12)
  - Upgrade ASM library again [(#14)](https://github.com/MinimallyCorrect/JavaTransformer/pull/14)

version.properties

@@ -1,4 +1,4 @@
 #Version of the produced binaries. This file is intended to be checked-in.
 #It will be automatically bumped by release automation.
-version=1.8.13
-previousVersion=1.8.12
+version=1.8.14
+previousVersion=1.8.13