[KARAF-649] Use maven-enforcer-plugin.
[KARAF-649] Use maven-enforcer-plugin.

git-svn-id: 23a5554d8b20ee894ad801d0a5fe136f33ef549e@1124567 13f79535-47bb-0310-9956-ffa450edef68

albertocsm/karaf-cellar,FlavioF/karaf-cellar,FlavioF/karaf-cellar,apache/karaf-cellar,3cky/karaf-cellar,mcculls/karaf-cellar,FlavioF/karaf-cellar,3cky/karaf-cellar,apache/karaf-cellar,3cky/karaf-cellar,mcculls/karaf-cellar,albertocsm/karaf-cellar,albertocsm/karaf-cellar