minor display bugs

fix of minor display bugs for ComboBox, ScrollBar, ColorPicker, and
TextInput in all Param*** and in paramEditors
minor display bugs

fix of minor display bugs for ComboBox, ScrollBar, ColorPicker, and
TextInput in all Param*** and in paramEditors
fix another display bug

fix minor display bug of comboBox and slider
fix bug of display on some plugins

fix bug of display on some plugins because of sliders' height
Merge branch 'dev_graph' of https://github.com/buttleofx/ButtleOFX into dev_menu
display of Tuttle Parameters OR Buttle Parameters

display of Tuttle Parameters OR Buttle Parameters

add file ParamButtleEditor
add file ParamTuttleEditor
Correction in case of undefined nodewrapper name
add a scrollbar in parameter display

fix a mistake present in my previous commit, there was no scrollbar in
parameter display
You can choose to display files in listview or in gridview and selected file is highlight
Browser: use layouts and fix suggestions popup menu position
Tooltip for parameters' hints

add a tooltip qml file
a tooltip spawn when the cursor hover the title's name
in this tooltip is written the description of the parameter if it exists

still a problem of display for the tooltip
Fix for undefined nodeWrapper
simplify code of the last commit
A verification for the connections is used in python
Fix for the dropArea (drag and drop of a node over a connection).
Early reflection on multiselection
Merge branch 'dev_graph' of https://github.com/buttleofx/ButtleOFX into dev_browser

Conflicts:
	buttleofx/MainWindow.qml
	buttleofx/gui/browser/qml/Browser.qml
	buttleofx/gui/browser/qml/WindowFiles.qml
Merge branch 'dev_menu' of https://github.com/buttleofx/ButtleOFX into dev_browser

Conflicts:
	buttleofx/MainWindow.qml
	buttleofx/gui/paramEditor/qml/ParamString.qml
Connections are now more secure
I bypassed the class idClip because i didn't manage to get it work.
A color code shows if a connection is possbile, impossible or can be replaced