[Component-DSL] Implement _highest_ as a primitive

Getting the highest service reference available is such a common need
that I guess it makes sense to have as a primitive.

git-svn-id: https://svn.apache.org/repos/asf/aries/trunk@1815580 13f79535-47bb-0310-9956-ffa450edef68
10 files changed
tree: 7a0a3c132b4024f60f4f1fddf726eefb14017ada
  1. component-dsl/
  2. itests/
  3. itests-run/
  4. pom.xml