added example task
Removed TaskProvider and Runner again
added example elements and extended task factory which creates example tasks
added example notification
implemented unit test provider in order to dynamically create example example test elements
naming refactoring
extended unit test element comparer with unit test element example
implemented missing presentation property
additional logic to handle example (creating tasks dynamically)
defining abstract members (Presentation, Namespace, Dispo..)
implemented abstract members
added Example notification task
added additional example classes to remaining projects