Further work on the ensemble task trigger registration. 

The ensemble task should be able to distinguish whether the trigger
implies a coordinator role of the component or a member role. Further it
should indicate which shadow component is involved. However that needs
the new trigger listener interfaces.
Merge remote-tracking branch 'origin/newgen' into newgen-bures
In development...
Implemented the distinction between trigger listeners.
Some more FIXMEs in the code - enjoy. :-)
Reverse engineering of the current implmenetation
Some small tweaks in the architectural diagram.
Merge pull request #84 from d3scomp/newgen-bures

Implemented the distinction between trigger listeners + some more FIXMEs