Updated dANN
Project: dANN-core  8d1e2c926534be0552c9501eb32bcfcdb2f810ad

One of the first steps in using nested vertex. Created Nested vertex which acts as a layer.
Updated the pom.xml and removed some unused dependencies.

Issue: DANN-35
Change-Id: Ie6a6ffe3a1b6e9b222dbee5a026e067860ea8653