the plugin browser is no longer flying in parameters editor
Merge branch 'dev_browser' of https://github.com/buttleofx/ButtleOFX into dev_menu
correct the bug of "ReferenceError: selectedView is not defined"

+ elide text in the plugin browser
add shortcuts in the plugin help window and in the plugin browser

but still problems on some shortcuts:
-up,down and return work in the plugin help window, but first you have
to press tab
-up,down and return don't work in the plugin browser
lists of plugins sorted
fix errors of nodetype,plugindoc and plugingroup undefined

PluginWindow.qml:262: TypeError: Cannot read property 'nodeType' of
undefined
PluginWindow.qml:262: TypeError: Cannot read property 'pluginDoc' of
undefined
PluginWindow.qml:252: TypeError: Cannot read property 'pluginGroup' of
undefined
continuation of the last commit, delete a useless variable
fix an error

PluginWindow.qml:250:18: Unable to assign [undefined] to QString
add shortcut on node to show the plugin help window
change the way to distinguish if a node is a reader or not
fix 2 errors

after deletion of a node:

ButtleOFX/buttleofx/gui/plugin/qml/PluginWindow.qml:241: TypeError:
Cannot read property 'nodeType' of undefined
ButtleOFX/buttleofx/gui/plugin/qml/PluginWindow.qml:261: TypeError:
Cannot read property 'pluginDoc' of undefined
ButtleOFX/buttleofx/gui/plugin/qml/PluginWindow.qml:251: TypeError:
Cannot read property 'pluginGroup' of undefined

and
ButtleOFX/buttleofx/gui/graph/qml/GraphEditor.qml:45: TypeError: Cannot
read property 'coord' of undefined
ButtleOFX/buttleofx/gui/graph/qml/GraphEditor.qml:46: TypeError: Cannot
read property 'coord' of undefined
fix problem on checkbox of workspaces
fix an error ocurring after opening a graph + change the way of save

Buttle/ButtleOFX/buttleofx/data/buttleData.py", line 497, in loadData
for index, view in decoded["viewer"]["other_views"].iteritems():
AttributeError: 'dict' object has no attribute 'iteritems'
iteritems() is no longer available because it is a python 2 method, in
python 3 it is items()
config file for start with the last view used, still an error

Buttle/ButtleOFX/buttleofx/MainWindow.qml:16:1: QML MainWindow: Binding
loop detected for property "selectedView"
can create a new graph  (ctrl+n)
move graph shortcuts from mainwindow.qml to graph.qml

now, shortcuts work on fullscreen graph
add the shortcut window + move shortcuts from mainwindow
correct proportions of the right part if buttle starts with the quickview
add a button in the parameters editor to show the graph or not

but icons are not good ones
clean the undo redo pile after creating a new graph