#21 added the list of differents parts of the doc book
added function to read through object by using reflection
usage of reflection by the template engine to read through data to be rendered
added missing dependency
bugfix happening if the log message was undefined
removed a try cath in subscriberCall as it would cause the error to be logged twice due to the try catch in publish method
added an attribute to the subscribers to bubble up errors outside of the mediator
added a channel to properly notify the app it's being shut down
Merge branch 'develop' into feature/tutorial