[KARAF-1570] Upgrade maven-external-dependency-plugin to 0.5
[KARAF-1570] Upgrade maven-external-dependency-plugin to 0.5

Signed-off-by: Andreas Pieber <anpieber@gmail.com>

git-svn-id: 71d8a689455c5fbb0f077bc40adcfc391e14cb9d@1352512 13f79535-47bb-0310-9956-ffa450edef68

grgrzybek/karaf,grgrzybek/karaf,grgrzybek/karaf