Merge topic '15032_fix_settings_dialog'

c49e9c1b BUG #15032: Fixed usability issues with settings dialog.
Merge topic '15076_fix_opacity_mapping_reset'

efe3ac35 BUG #15076: Fix resetting of opacity range.
Merge topic '15078_fix_point_sprite'

4979c43a BUG #15078: Fix update issue with PointSprite plugin.
Merge topic '15090_fix_state_loading_issues'

f815af75 BUG #15090: Fixed state loading + time issue.
Merge topic '15093_fix_stereo_issues'

0c9dfba0 BUG #15093: Fixed issue with stereo rendering.
Merge topic 'include-mpi-paths-as-system'

eb03ba12 mpi: include MPI paths as SYSTEM includes
70f0c1f5 whitespace: add missing newlines at the end of files
Merge topic 'update-rendering-edition'

38622b58 Rendering-Base: add vtkTriangleFilter
Merge topic 'update-vtk-20141030'

b2208efe QtPython: find PythonLibs
52b629cf QtPython: don't quote variables which may be a list
535c1903 cmake: replace PYTHON_INCLUDE_PATH with PYTHON_INCLUDE_DIRS
58dedb20 update vtk
Merge master into next

* commit 'aa525d5d662ea6c7036e47a07e4c8a146a773e5f':

Change-Id: I0d03f633aea869bbb3574049999ecd17bf99dde7