Updated versions to 1.4.0

This commit prepares Apache Etch release 1.4.0.

Change-Id: I12ae1f324f35e7de4c2ddf157556604783fbdd07

git-svn-id: https://svn.apache.org/repos/asf/etch/trunk@1593969 13f79535-47bb-0310-9956-ffa450edef68