ETCH-263 Cleaning up external library dependency

Adapting Etch to use CAPU version 0.8.1
CAPU is now included as a external dependency

Change-Id: I1d81b508e129d15f78bfd0148e9367d31122d51f

git-svn-id: https://svn.apache.org/repos/asf/etch/trunk@1460566 13f79535-47bb-0310-9956-ffa450edef68