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
Only print for verification
The mosquito is not showed in the miniature
Previous and next arrows are fonctionnal
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
Added nex paramEditors in the third view + small improvements
Try to create a graph for the parametersEditor, which is written in buttleData
Various fix and optimisations for zoom and connections
Minor : correct mistake
Creation of node in the graphParametersEditor from the Parameters Editor
New icons
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
Fix for the zoom and modification of the tmpconnection when you can't create a real connection
Better display of the node's names
Fix for drag&drop from browser to graph in row and column view
Drag&Drop multiple selections from browser to graph but cause some bugs to fix