Server support app that supports nested-paths, for the client-integration tests to go against to.

for the integration tests needs of our client libs, we need a test server app that will support both root and 'nested-path' resources, as well support for all http methods in both cases (e.g. PUT/POST/DELETE).

Currently a simple server has been written[1] in a private repo, with the model extracted from our TODO app, enhanced to support nested-resources of the form:

/projects/{id}/tasks/{id}/tags{id} 

[1] https://github.com/cvasilak/aerogear-ig-server