Update README For 2.16.0

Author: wmonk

README.md

@@ -53,6 +53,11 @@ To fix this, create a new file *in the root of the project* called `tsconfig.tes
 
 ## Changelog
 
+### 2.16.0
+* Allow `moduleNameMapper` config override - @sebald
+* Fix travis build - @DorianGrey
+* Allow using different tsconfig file for dev and build - @DorianGrey
+
 ### 2.15.1
 * Fix duplicated mjs entry in Jest config - @StevenLangbroek
 * Allow `--watchAll` to be set - @DorianGrey