* Code cleaning

* Replace Sort() with StableSort  in GraphDraw

* Documentation:
    * Corrected invalid references
    * Somme documentation writing

* GSeriesCtrlDlg : 
    * Correct series common style parameters modification when editor CANCEL (modifications should not be applied)
    * Correct series Serie style modification when editor CANCEL (modifications should not be applied)
    * Erase previous SeriesEditor current GraphSerieserie when Serie doesn't create one
    * Corr update after SeriesStyle modification

* renamed
       class SeriesPropertiesDlgInfo   ==> class GraphSerieEditorInterface

       GraphSerie_child_classes::
            MakeSerieEditorDlg()      ==> MakeGraphSerieEditorInfo()

       class GraphSeriesGroup::
            AddCustomSeries()         ==> AddCustomSeries()
            SetModifyCustomSeries()   ==> SetModifyGraphSeries()
				CreateCustomSeries()      ==> CreateGraphSerie()
            ClearModifyCustomSeries() ==> ClearModifyGraphSeries()
            IsModifyCustomSeries()    ==> IsModifyGraphSeries()
            ClearAllCustomSeries()    ==> ClearAllOwnedGraphSeries()
            OwnedGraphDataSources     ==> GraphSeriesGroup::OwnedGraphSeries
            
            customDataSourceProxyVector ==> graphSeriesProxyList
            _isCustomSeriesModified   ==> _isGraphSeriesModified
       
       class GraphSerieDecorator::
				SetDataSource()           ==> SetGraphSerie()