Retained 1.5.3 config for compatibility testing
Updated release notes for 1.5.0
Retained 1.6.0 config for compatibility testing
Updated release notes for 1.6.0-beta
Set version to 1.6.0-beta for release
Moved assembly plugin out of reporting
Revert "Set version to 1.6.0-beta for release"

This reverts commit 4adb9ddbd30b132add2d5eb97018c4b38c43d7ec.