Release 2.1.5 changes.md update

2.x: RC4 fix maven-POM generation again

2.x: fix bintray repo and name config

2.x: fix bintray repo and name config

2.x: fix "full" mode gradle code

Release 2.1.4

Release 1.3.2

Use oraclejdk8

Release 2.1.3

Release 2.1.2