Created new MicroscopeViewPlugin class to give shortcut to an associated MicroscopePlugin

        self.microscope = microscope

        MethodView.__init__(self, **kwargs)

class MicroscopeViewPlugin(MicroscopeView):

    def __init__(self, microscope, plugin=None, **kwargs):

        """

        Create a generic MethodView with a globally available

        microscope object passed as an argument, and a plugin

        reference stored in 'self'. Initially None

        """

        self.plugin = plugin

        MicroscopeView.__init__(self, microscope=microscope, **kwargs)

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