[KARAF-1287] - extending-console synced with KARAF-1001

Author: Krzysztof Sobkowiak <krzys.sobkowiak@gmail.com>
Signed-off-by: Lukasz Dywicki <luke@code-house.org>

git-svn-id: https://svn.apache.org/repos/asf/karaf/trunk@1435083 13f79535-47bb-0310-9956-ffa450edef68