Silence some new gcc warnings.
New backend() method in view API to access underlying implementation
Correct bug in plugin generator for workspace type
adds a vtkImageView3d as a variable of the medVtkViewBackend, corrects an error in implementation

Conflicts:
	src-plugins/variationalSegmentation/varSegToolBox.cpp
Fix a crash on selecting the Jet LUT
Fix mesh exporters
Merge pull request #119 from ocommowi/bug-correct-generator

Correct bug in plugin generator for workspace type
Merge pull request #117 from papadop/gcc_4_8_warnings

Silence some new gcc warnings.
Preliminary work towards a beautiful medInria (lol)
Add style sheet parser plus test
Set a new Style to medInria using qss
Add missing files
put a grey darker for the empty view container
Global reduction of the border-radius
improve aspect of the layout buutons
toolbox are darker
scroll bar are darker
harmonize pushButton and ComboBox with darker toolBox
correct padding for comboBox
stash