QPID-5048: dby profiles, bdb test deps and config for perftests-systests & bdbstore-systests and a fix for clean between test runs

Patch supplied by Andrew MacBean <andymacbean@gmail.com>

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1579935 13f79535-47bb-0310-9956-ffa450edef68
QPID-5048: new maven enforcer plugin rule for checking license files

Patch supplied by Andrew MacBean <andymacbean@gmail.com>

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1579936 13f79535-47bb-0310-9956-ffa450edef68