Analyzer reading Tricium Git file details data and producing a Git file details echo comment.

* Launch using static workflow config with a Git file isolator and then the echo analyzer. 
* First driver execution of successor worker.
* Driver executing the echo analyzer based on config.
* Isolating analyzer isolating file details and providing the echo analyzer with file details to echo. First isolator analyzer.
* Echo analyzer analyzing Git file details to produce a comment echoing the content.
* First display of nested analyzer progress in the UI.