Current version of SDG
Merge pull request #7 from fyraimar/dev

[Communication] Implement communication
Merge pull request #8 from fyraimar/dev

[communication] Implement middleware and 1-way callback
Merge pull request #9 from fyraimar/dev

[communication] Implement 2-way communication and callback
Merge pull request #10 from fyraimar/dev

[Communication] Implement iteration example
Merge pull request #6 from rstarzl/master

Current version of SDG
Merge pull request #11 from rstarzl/trunk

Merge pull request #6 from rstarzl/master
[DummySystem] Implement a simple aggregated system framework