Updates for Weave

This requires the Brooklyn [#225](https://github.com/apache/incubator-brooklyn/pull/225) changes, but only uses _master_ from [advanced-networking](https://github.com/brooklyncentral/advanced-networking). Changes include support for [Weave](https://github.com/zettio/weave) as well as a better startup script (i.e. `bin/clocker.sh`) and distribution archive. Persistence issues have been resolved, and various other minor issues and fixes.

This change-set will form the basis of `0.7.0` release.