[KARAF-1205] Upgrade to maven-bundle-plugin 2.3.7
[KARAF-1205] Upgrade to maven-bundle-plugin 2.3.7

git-svn-id: ef560503a7a83504b98066810e43b89cc9760287@1291725 13f79535-47bb-0310-9956-ffa450edef68

apache/karaf-cave