Merge pull request 139 from SCIQLOP-Initialisation develop Correction for Linux compilation

Merge pull request 140 from SCIQLOP-Initialisation feature/VisualizationWidget Widget of the tab widget are now of type VisualizationTabWidget

Widget of the tab widget are now of type VisualizationTabWidget Add addTabView and removeTabView lambda method connecter to their correspondant button in the VisuaizationWidget

Merge branch 'feature/PluginTreeItem' into develop

Adds vera exclusions

Loads SciQlop plugins

Connects data source widget to data source controller

Implements method to add a data source in the widget The method is a slot that will be connected with data source controller in the aim to create the data source representation in the widget when a new data source is set in the contoller

Creates the data source widget The widget contains a tree that will contains all the data sources attached to SciQlop (by the plugins)

Handles the icon of a DataSourceTreeWidgetItem (depending of the type of the data source item)