try to connect browser to viewer
Link browser to the viewer : creation of readerNode & graph must be functionnal
correction of merge: drag and drop between browser and viewer
Map of graph in buttleData
Switch between the two graph thanks to the variable currentGraphWrapper
Merge branch 'feature/LinkBrowserViewer' of https://github.com/buttleofx/ButtleOFX into feature/newParametersEditor

Conflicts:
	buttleofx/MainWindow.qml
	buttleofx/data/buttleData.py
	buttleofx/gui/paramEditor/qml/ParamEditor.qml
Try to create a graph for the parametersEditor, which is written in buttleData
Creation of node in the graphParametersEditor from the Parameters Editor
Merge branch 'release' of https://github.com/buttleofx/ButtleOFX into feature/newParametersEditor

Conflicts:
	buttleofx/MainWindow.qml
	buttleofx/gui/browser/qml/WindowFiles.qml
	buttleofx/gui/paramEditor/qml/ParamEditor.qml
take the two last node of the graph and try to connect them together (not functionnal)
Possibility to switch any view in fullscreen mode. Bug to fix
Try to connect browser to viewer

If we use the graph "normal", it works, but it doesn't work with the graphBrowser
modify getNodeWrapperByViewerIndex() in buttelData : return currentGraphWrapper... and not graphWrapper...
Fix undefined parent error for parametersEditor
Fix error of locked views after fullscreen mode
Prevent display bug when putting browser in fullscreen mode first
create on an other way the button "add a node"
minor
Subviews automatically adjust their size to fit window when other subviews are closed
Icons in tab color on hover instead of on click