Update

To Discuss

Extensions are not available in the nightly build until afternoon
- discussion thread: http://slicer-devel.65872.n3.nabble.com/Extensions-not-available-for-nightly-td4033967.html
Inventory of the DICOM plugins to help users when a DICOM load fails
Extensions testing:
- extra tricks needed to set up paths, otherwise slicer.modules.<extension name> is not available
  - examples of failures: http://slicer.cdash.org/testDetails.php?test=6349357&build=461103, http://slicer.cdash.org/testDetails.php?test=6350578&build=461730
  - the trick: https://github.com/fedorov/Reporting/blob/master/Testing/Python/CMakeLists.txt#L31-L35
- Crashes on exit due to interactions with the Slicer core
  - http://slicer.cdash.org/testDetails.php?test=6380295&build=475508 failing in RemoveNode for vtkMRMLScriptedModuleNodeDataProbe
  - http://slicer.cdash.org/testDetails.php?test=6377823&build=474585 failing in ~qSlicerApplication, CorePythonManager.clear()